Jason Leffler

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Jason Leffler
Jason Leffler.jpg
BornJason Charles Leffler
(1975-09-16)September 16, 1975
Long Beach, California
DiedJune 12, 2013(2013-06-12) (aged 37)
Bridgeport, New Jersey
Cause of deathBlunt force neck injury from racing accident
Height5 ft 3 in (1.60 m)
Weight130 lb (59 kg)
Achievements1997, 1998, 1999 USAC National Midget champion
1998 USAC Silver Crown champion
Awards2003 inductee, National Midget Auto Racing Hall of Fame
Monster Energy NASCAR Cup Series career
73 races run over 9 years
2013 position52nd
Best finish37th (2001)
First race2001 Daytona 500 (Daytona)
Last race2013 Party in the Poconos 400 (Pocono)
Wins Top tens Poles
0 1 1
NASCAR Xfinity Series career
294 races run over 12 years
Best finish3rd (2007)
First race1999 Kroger 200 (IRP)
Last race2012 Great Clips 200 (Phoenix)
First win2004 Federated Auto Parts 300 (Nashville)
Last win2007 Kroger 200 (IRP)
Wins Top tens Poles
2 107 8
NASCAR Camping World Truck Series career
56 races run over 7 years
Best finish4th (2002)
First race2000 Power Stroke 200 (IRP)
Last race2012 Ford EcoBoost 200 (Homestead)
First win2003 MBNA Armed Forces Family 200 (Dover)
Wins Top tens Poles
1 35 10
IndyCar Series career
3 races run over 2 years
Best finish30th (2000)
First race1999 Transworld Diversified Services 200 (Disney)
Last race2000 Indianapolis 500 (Indy)
Wins Podiums Poles
0 0 0

Jason Charles Leffler, nicknamed, "Left-turn", (September 16, 1975 – June 12, 2013) was an American professional open-wheel and stock car racing driver. Leffler began racing in the open-wheel ranks, competing in the 2000 Indianapolis 500 before moving to primarily NASCAR competition. He died from injuries sustained in a 410 sprint car race at Bridgeport Speedway in Bridgeport, New Jersey.

Racing career[edit]

Open wheel career[edit]

Leffler began his career racing midget cars in the USAC series, where he won three consecutive midget championships from 1997 and 1999, as well as the Silver Crown series championship in 1998. He was the third driver to win three consecutive midget car championships.[1] He won the Hut Hundred and Belleville Nationals in 1997, and the Turkey Night Grand Prix and Copper Classic in 1999.[1] He won his second Turkey Night Grand Prix in 2005.

Roger Penske met Leffler at the 1998 Hut 100. Leffler's success also caught the attention of Joe Gibbs Racing, a team which had previously signed Tony Stewart from the USAC ranks. Leffler joined the team in 1999 and made four starts in the Busch Series during the season with moderate success. At the same time, he also started a race in the Indy Racing League at Walt Disney World Speedway in the No. 5 Treadway Racing machine, but finished last after crashing early in the race.

Leffler made his first, and only, start in the Indianapolis 500 in 2000. This effort was put forth by Treadway Racing with backing from Roger Penske's United Auto group. Leffler qualified in the 17th position, which was also where he finished.

NASCAR career[edit]

During the 2000 season, Leffler drove full-time for the No. 18 MBNA sponsored Joe Gibbs Racing team in the Busch Series. He finished twentieth in the final standings, earned three pole positions during the year, and finished second at Phoenix. He also made two IRL starts, among them a start for Treadway in the Indianapolis 500 where he started and finished seventeenth. After that season he moved up to the Winston Cup Series to become the driver of the #01 Cingular Wireless Dodge for Chip Ganassi Racing as the permanent replacement for Kenny Irwin, Jr., who was killed in a practice crash while driving for the same team at New Hampshire in 2000. Leffler's car retained sponsorship from BellSouth through its Cingular Wireless property, and with Ganassi's purchase of a stake in Felix Sabates' former team came a switch in manufacturer as Leffler became one of several drivers to drive Dodge Intrepids in the brand's return to NASCAR. It was a controversial decision, as Leffler performed poorly the season prior in excellent Joe Gibbs equipment in the Busch series. During his inaugural Cup season, he had only one top 10 finish and four failures to qualify. He was, however, the inaugural pole setter at Kansas Speedway. After his 37th-place finish in the 2001 championship, Ganassi replaced him with Jimmy Spencer for the 2002 season and remade Leffler's former car into the #41 Target Dodge.

Leffler joined Ultra Motorsports in 2002 to drive the #2 Carquest/Team ASE Dodge Ram in place of the departed Scott Riggs and had great success early on with the team. In his first year, he tied a single season Craftsman Truck Series record by scoring eight pole positions, and qualified no worse than eighth at any race during the season. Despite not winning a race, he had six second-place finishes and a fourth-place finish in the championship. He also won the Night Before the 500 midget race and got to drive Ultra's #7 car in the final two races of the Cup Series season after the team fired Casey Atwood. Leffler finally broke through in 2003 when he scored his first career victory at Dover.

Leffler in the No. 32, racing at Daytona in 2006

Despite the success, Leffler ended up losing his ride at Ultra in controversial fashion. Haas CNC Racing, which was fielding its first full-time Cup Series team, had fired its driver Jack Sprague after the Tropicana 400. Team owner Gene Haas named John Andretti as his replacement, but he was unavailable for the Brickyard 400 due to a prior commitment with Dale Earnhardt, Inc.. Haas approached Leffler to drive the #0 NetZero Pontiac Grand Prix in the race and he agreed to do so. Ultra, which had warned Leffler that such a move would be in violation of his contract, responded by firing him.

Leffler made ten starts in the #0, becoming the permanent driver after the Sirius Satellite Radio at the Glen. The team then signed Ward Burton away from Bill Davis Racing to take over the car, and he joined the team before the season was over to get a head start. Leffler was moved to the #00 Haas Automation car in the Busch Series for the remainder of 2003, with the idea that he would remain there for 2004. At Nashville Superspeedway in 2004, Leffler scored his first career Busch Series victory. He was running third in the points when the team released him from his contract. He ended up finishing twelfth in the championship despite missing the last seven races.

Shortly after his dismissal, Leffler signed a deal to re-join Joe Gibbs Racing for 2005, taking over a newly created Cup team sponsored by FedEx. The No. 11 Chevrolet was regularly outside of the top 35 in points, meaning that it was not guaranteed a starting spot for all races; Leffler was unable to qualify for the Coca-Cola 600 because of it. He was replaced by Terry Labonte for the two road-course races and, eventually, was fired from JGR after nineteen starts in which he failed to record a top ten finish. He was replaced by a mix of Labonte and JGR developmental drivers J.J. Yeley and Denny Hamlin, the latter of whom took over the car full-time the following season.

While racing with Gibbs, Leffler briefly raced with Braun Racing in the Busch Series, a team that had lost their regular driver, Shane Hmiel, to a drug suspension. After leaving Gibbs, Leffler joined Braun Racing on a full-time basis for the remainder of the season. Leffler has scored four top ten finishes with Braun in nine starts for the team.

For the 2006 season, Leffler was signed to return to Braun Racing to drive the No. 32 Chevrolet. The team carried sponsorships from Lucas Oil, Fraternal Order of Eagles, and ABF U-Pack Moving. The No. 32 team became the No. 38 team with sponsorship from Great Clips after it merged with Akins Motorsports. Jason also attempted to qualify for the second to last race of the chase at Phoenix in the No. 71 for Braun Racing but failed to qualify.

Leffler's No. 38 in 2009

During the 2007 season, Leffler won the pole for the Winn-Dixie 250 at Daytona International Speedway. He finished ninth. Leffler would make NASCAR history July 28, 2007 as he passed Greg Biffle with two laps remaining to win the Busch Series Kroger 200 at O'Reilly Raceway Park. The win marked the first race victory for a Toyota Camry in Busch Series competition, and the first win for a foreign manufacturer in a top-tier NASCAR series since Al Keller won in a Jaguar in 1954. The win also marked Leffler's second career Busch Series win and first win since the 2004 season. Leffler returned to Sprint Cup in 2008 for a few races in the No. 70 Haas CNC Chevy while driving full-time for Braun Racing's No. 38 Toyota Camry.

In 2009 at the July Daytona race weekend it was announced that the No. 38 Toyota car would be shared with Kasey Kahne for the 2010 NASCAR Nationwide Series season. Leffler remained in the Great Clips Toyota in 2010 and 2011. In late 2011 he was informed that he was free to pursue other opportunities for the 2012 season.

On January 9, 2012, Kyle Busch Motorsports announced that Leffler would drive the No. 18 truck for fourteen races with sponsorship from Dollar General.[2] However, strings of bad luck and poor finishes plagued the team, and Leffler was released on August 14.[3]

Leffler also returned to the Cup Series in 2012, driving for Robinson-Blakeney Racing at Watkins Glen International,[4] and for Humphrey Smith Racing at Michigan International Speedway.[5]

Leffler made a single Cup Series start in 2013, driving Humphrey Smith Racing's No. 19 Toyota Camry at Pocono Raceway in early June, three days before his death; he started and parked, finishing 43rd in the event.[6]

Death[edit]

On June 12, 2013 at 8:30 PM, Leffler was involved in a crash during a 410 sprint car heat race at the 58-mile (1.0 km) Bridgeport Speedway in Logan Township, New Jersey.[7] Running second with a few laps left, his car suffered a front suspension failure, causing it to crash into a wall and flip several times.[8]

Leffler instantly lost consciousness in the accident. When it was found that Leffler was not breathing, the rest of the race was cancelled and victory lane ceremonies did not take place. He was airlifted by helicopter to Crozer-Chester Medical Center in Chester, Pennsylvania,[9] where he was pronounced dead at 9:00 PM EDT, 30 minutes after the accident.[10] An autopsy report stated that the cause of death was a severe blunt force neck and backbone injury.[11]

After his death, many drivers and racing associations such as NASCAR and IndyCar made statements on the death and gave their condolences. NASCAR drivers competing in the 2013 Quicken Loans 400 had special stickers placed on their cars in honor of Leffler. Denny Hamlin, who replaced Leffler in the No. 11 FedEx Toyota in late 2005 had his car repainted to resemble Leffler's livery.[12]

Personal life[edit]

Leffler was the son of Charles and Patricia Leffler. Leffler had a son, Charlie Dean, with Alison East, who was five years old at the time of his death. He shared his life with live-in girlfriend Julianna Patterson;[13] they resided in North Carolina. Leffler was engaged at the time of his death to Julianna Patterson.

Career awards[edit]

Leffler was inducted into the National Midget Auto Racing Hall of Fame in 2003. He had 18 national championship midget car wins at that time.[1]

Motorsports career results[edit]

NASCAR[edit]

(key) (Bold – Pole position awarded by qualifying time. Italics – Pole position earned by points standings or practice time. * – Most laps led.)

Sprint Cup Series[edit]

NASCAR Sprint Cup Series results
Year Team No. Make 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 NSCC Pts
2001 Chip Ganassi Racing 01 Dodge DAY
34
CAR
33
LVS
28
ATL
32
DAR
39
BRI
DNQ
TEX
17
MAR
DNQ
TAL
20
CAL
18
RCH
26
CLT
30
DOV
13
MCH
19
POC
41
DAY
24
CHI
24
NHA
27
POC
21
IND
26
GLN MCH
24
BRI
30
DAR
43
RCH
28
DOV
DNQ
KAN
28
CLT
43
MAR
37
TAL
15
PHO
41
CAR
30
HOM
10
ATL
DNQ
NHA
30
37th 2413
04 SON
DNQ
2002 Ultra Motorsports 7 Dodge DAY CAR LVS ATL DAR BRI TEX MAR TAL CAL RCH CLT DOV POC MCH SON DAY CHI NHA POC IND GLN MCH BRI DAR RCH NHA DOV KAN TAL CLT MAR ATL CAR PHO
31
HOM
35
63rd 128
2003 Haas CNC Racing 0 Chevy DAY CAR LVS ATL DAR BRI TEX TAL MAR CAL RCH CLT DOV POC MCH SON DAY CHI NHA POC IND
33
GLN MCH
35
BRI
26
DAR
26
RCH
28
NHA
27
DOV
25
TAL
DNQ
KAN
30
CLT
35
MAR
27
ATL PHO CAR HOM 47th 764
2004 60 DAY CAR LVS ATL DAR BRI TEX MAR TAL CAL RCH CLT DOV POC MCH SON DAY CHI NHA POC IND
43
GLN MCH BRI CAL RCH NHA DOV TAL KAN CLT MAR ATL PHO DAR HOM 88th 34
2005 Joe Gibbs Racing 11 Chevy DAY
36
CAL
37
LVS
22
ATL
25
BRI
38
MAR
12
TEX
36
PHO
29
TAL
26
DAR
38
RCH
25
CLT
DNQ
DOV
20
POC
40
MCH
20
SON DAY
18
CHI
20
NHA
24
POC
24
IND
33
GLN MCH BRI CAL RCH NHA DOV TAL KAN CLT MAR ATL TEX PHO HOM 38th 1538
2006 Braun Racing 71 Chevy DAY CAL LVS ATL BRI MAR TEX PHO TAL RCH DAR CLT DOV POC MCH SON DAY CHI NHA POC IND GLN MCH BRI CAL RCH NHA DOV KAN TAL CLT MAR ATL TEX PHO
DNQ
HOM NA -
2008 Haas CNC Racing 70 Chevy DAY CAL LVS ATL BRI MAR TEX PHO TAL RCH DAR CLT DOV
DNQ
POC
40
MCH
DNQ
SON NHA DAY CHI
27
IND
32
POC GLN MCH BRI CAL RCH NHA DOV KAN TAL CLT MAR ATL TEX PHO HOM 59th 192
2010 Braun Racing 32 Toyota DAY CAL LVS ATL BRI MAR PHO TEX TAL RCH DAR DOV CLT POC MCH SON NHA DAY CHI IND POC GLN MCH BRI ATL
DNQ
RCH
43
NHA DOV 70th 68
Prism Motorsports 66 Toyota KAN
DNQ
CAL
43
CLT
DNQ
MAR TAL TEX PHO
DNQ
HOM
2012 Robinson-Blakeney Racing 49 Toyota DAY PHO LVS BRI CAL MAR TEX KAN RCH TAL DAR CLT DOV POC MCH SON KEN DAY NHA IND POC GLN
35
BRI
31
ATL
38
RCH CHI
DNQ
NHA
DNQ
DOV
DNQ
TAL CLT KAN MAR TEX 71st 01
Humphrey Smith Racing 19 Ford MCH
43
91 Chevy PHO
42
Toyota HOM
DNQ
2013 19 DAY PHO LVS BRI CAL MAR TEX KAN RCH TAL DAR CLT DOV POC
43
MCH SON KEN DAY NHA IND POC GLN MCH BRI ATL RCH CHI NHA DOV KAN CLT TAL MAR TEX PHO HOM 52nd 1
Daytona 500[edit]
Year Team Manufacturer Start Finish
2001 Chip Ganassi Racing Dodge 15 34
2005 Joe Gibbs Racing Chevrolet 40 36

Nationwide Series[edit]

NASCAR Nationwide Series results
Year Team No. Make 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 NNSC Pts
1999 Joe Gibbs Racing 18 Pontiac DAY CAR LVS ATL DAR TEX NSV BRI TAL CAL NHA RCH NZH CLT DOV SBO GLN MLW MYB PPR GTY IRP
41
MCH BRI DAR RCH
22
DOV
DNQ
CLT CAR
24
MEM
20
PHO HOM 74th 331
2000 DAY
20
CAR
19
LVS
28
ATL
DNQ
DAR
37
BRI
25
TEX
22
NSV
21
TAL
28
CAL
39
RCH
35
NHA
24
CLT
21
DOV
28
SBO
32
MYB
7
GLN
28
MLW
15
NZH
15
PPR
24
GTY
15
IRP
4
MCH
41
BRI
36
DAR
28
RCH
15
DOV
10
CLT
36
CAR
30
MEM
16
PHO
2
HOM
12
20th 2956
2003 Haas CNC Racing 00 Chevy DAY CAR LVS DAR BRI TEX TAL NSH CAL RCH GTY NZH CLT DOV NSH KEN MLW DAY CHI NHA PPR IRP MCH BRI DAR RCH DOV KAN
16
CLT
11
MEM ATL
22
PHO
11
CAR
22
HOM
4
52nd 739
2004 DAY
8
CAR
32
LVS
22
DAR
14
BRI
32
TEX
6
NSH
9
TAL
5
CAL
34
GTY
6
RCH
11
NZH
7
CLT
4
DOV
14
NSH
1*
KEN
7
MLW
15
DAY
13
CHI
7
NHA
3
PPR
3
IRP
3
MCH
7
BRI
17
CAL
10
RCH
4
DOV
4
KAN CLT MEM ATL PHO DAR HOM 12th 3661
2005 Braun Racing 32 Chevy DAY CAL MXC LVS ATL NSH BRI TEX PHO TAL DAR RCH CLT DOV NSH KEN MLW DAY
9
CHI
23
NHA
29
PPR GTY
18
IRP GLN MCH
14
BRI
20
CAL
7
RCH
5
DOV
3
KAN
19
CLT
6
MEM
24
TEX
8
PHO
7
HOM
27
30th 1829
2006 DAY
6
CAL
22
MXC
17
LVS
11
ATL
6
BRI
32
TEX
17
NSH
35
PHO
22*
13th 3554
38 TAL
18
RCH
24
DAR
10
CLT
18
DOV
34
NSH
43
KEN
40
MLW
4
DAY
18
CHI
19
NHA
14
MAR
8
GTY
33
IRP
19
GLN
35
MCH
13
BRI
5
CAL
24
RCH
20
DOV
5
KAN
31
CLT
28
MEM
34
TEX
43
PHO
14
HOM
19
2007 Toyota DAY
22
CAL
38
MXC
6
LVS
37
ATL
41
BRI
34
NSH
4
TEX
13
PHO
18
TAL
35
RCH
37
DAR
6
CLT
31
DOV
11
NSH
3
KEN
14
MLW
3
NHA
12
DAY
9
CHI
33
GTY
4
IRP
1
CGV
26
GLN
27
MCH
12
BRI
2*
CAL
14
RCH
11
DOV
30
KAN
21
CLT
19
MEM
5
TEX
12
PHO
8
HOM
14
3rd 3996
2008 DAY
19
CAL
11
LVS
39
ATL
8
BRI
6
NSH
13
TEX
9
PHO
14
MXC
21
TAL
4
RCH
16
DAR
9
CLT
32
DOV
27
NSH
26
KEN
16
MLW
10
NHA
32
DAY
23
CHI
27
GTY
4
IRP
16
CGV
7
GLN
8
MCH
8
BRI
15
CAL
26
RCH
30
DOV
7
KAN
8
CLT
18
MEM
12
TEX
17
PHO
25
HOM
4
9th 4086
2009 DAY
33
CAL
11
LVS
4
BRI
10
TEX
13
NSH
6
PHO
2
TAL
6
RCH
10
DAR
2
CLT
6
DOV
8
NSH
5
KEN
5
MLW
10
NHA
10
DAY
19
CHI
4
GTY
14
IRP
8
IOW
3
GLN
15
MCH
11
BRI
6
CGV
29
ATL
20
RCH
32
DOV
6
KAN
11
CAL
30
CLT
32
MEM
3
TEX
3
PHO
27
HOM
18
4th 4540
2010 10 DAY
33
BRI
9
DAR
5
DOV
5
CLT
7
BRI
2
ATL
7
9th 3941
38 CAL
14
LVS
12
NSH
39
PHO
19
TEX
12
TAL
41
RCH
16
NSH
34
KEN
33
ROA
8
NHA
14
DAY
14
CHI
5
GTY
23
IRP
30
IOW
3
GLN
35
MCH
34
CGV
21
RCH
14
Turner Motorsports DOV
8
KAN
10
CAL
37
CLT
15
GTY
4
TEX
6
PHO
33
10 HOM
10
2011 30 Chevy DAY
6
BRI
8
TEX
15
DAR
9
BRI
7
ATL
9
DOV
19
CLT
11
6th 1028
38 PHO
11
LVS
9
CAL
11
TAL
15
NSH
15
RCH
10
DOV
11
IOW
33
CLT
21
CHI
5
MCH
10
ROA
20
DAY
2
KEN
13
NHA
30
NSH
18
IRP
6
IOW
13
GLN
18
CGV
9
RCH
29
CHI
12
KAN
13
TEX
15
PHO
26
HOM
12
2012 30 DAY PHO LVS BRI CAL TEX RCH TAL DAR IOW CLT DOV MCH ROA KEN DAY NHA CHI IND IOW
8
GLN CGV BRI ATL RCH CHI KEN DOV CLT KAN TEX PHO
12
HOM 120th 01

Camping World Truck Series[edit]

NASCAR Camping World Truck Series results
Year Team No. Make 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 NCWTC Pts
2000 Ultra Motorsports 5 Ford DAY HOM PHO MMR MAR PIR GTY MEM PPR EVG TEX KEN GLN MLW NHA NZH MCH IRP
29
NSV CIC RCH DOV TEX CAL 103rd 76
2002 Ultra Motorsports 2 Dodge DAY
11
DAR
30
MAR
6
GTY
2
PPR
2*
DOV
9
TEX
27
MEM
4
MLW
2
KAN
4
KEN
5
NHA
27
MCH
2
IRP
2
NSH
28
RCH
12*
TEX
8
SBO
9
LVS
5
CAL
2
PHO
16
HOM
3
4th 3156
2003 DAY
30
DAR
6
MMR
7
MAR
11
CLT
21
DOV
1
TEX
27
MEM
6
MLW
2
KAN
7
KEN
5
GTW
2
MCH
4
IRP
15
NSH
24
BRI
9
RCH NHA CAL LVS SBO TEX MAR PHO HOM 16th 2209
2004 Morgan-Dollar Motorsports 47 Chevy DAY ATL MAR MFD CLT DOV TEX MEM MLW KAN KEN GTW MCH IRP NSH BRI RCH NHA LVS CAL TEX MAR PHO DAR
24
HOM 95th 91
2007 Red Horse Racing 1 Toyota DAY CAL ATL MAR KAN CLT MFD DOV TEX MCH MLW MEM KEN IRP NSH BRI GTW NHA LVS TAL
4
MAR
23
ATL TEX
9
PHO
4
HOM
5
41st 707
2009 Stringer Motorsports 90 Toyota DAY CAL ATL MAR KAN CLT DOV TEX MCH MLW
29
MEM KEN IRP NSH BRI CHI IOW GTW NHA LVS MAR TAL TEX PHO HOM 99th 76
2012 Kyle Busch Motorsports 18 Toyota DAY
36
MAR
8
CAR
34
KAN
18
CLT
4
DOV TEX
6
KEN
8
IOW
6
CHI
8
POC MCH BRI ATL IOW KEN LVS TAL MAR TEX PHO 23rd 294
Hillman Racing 27 Chevy HOM
19

1 Ineligible for series points

ARCA Bondo/Mar-Hyde Series[edit]

(key) (Bold – Pole position awarded by qualifying time. Italics – Pole position earned by points standings or practice time. * – Most laps led.)

ARCA Bondo/Mar-Hyde Series results
Year Team No. Make 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 ABMSC Pts
1999 Joe Gibbs Racing 18 Pontiac DAY ATL SLM AND CLT MCH POC TOL SBS BLN POC KIL FRS FLM ISF WIN DSF SLM CLT TAL ATL
5
87th 205
2000 DAY SLM AND CLT KIL FRS MCH POC TOL KEN BLN POC WIN ISF KEN DSF SLM CLT
31
TAL ATL 124th 100

American open-wheel racing[edit]

(key) (Races in bold indicate pole position)

IndyCar Series[edit]

IndyCar Series results
Year Team Chassis Engine 1 2 3 4 5 6 7 8 9 10 11 Rank Points
1999 Treadway G-Force Oldsmobile WDW
28
PHX CLT INDY TXS PPIR ATL DOV PP2 LVS TX2 48th 2
2000 WDW PHX LVS
15
INDY
17
TXS PPIR ATL KTY TX2 30th 28

Images[edit]

See also[edit]

References[edit]

  1. ^ a b c "Biography". WorthyOfHonor.com. National Midget Auto Racing Hall of Fame. Archived from the original on September 27, 2007. Retrieved January 22, 2018.
  2. ^ "Leffler joins Kyle Busch's truck team". Fox Sports. January 9, 2012. Archived from the original on January 13, 2012. Retrieved 2012-01-10.
  3. ^ Pistone, Pete (August 14, 2012). "Jason Leffler out at Kyle Busch Motorsports". Eye on NASCAR. CBS Sports. Archived from the original on November 15, 2012. Retrieved 2012-08-15.
  4. ^ Marquart, Chris (August 11, 2012). "Watkins Glen Notebook: Montoya will start first in Finger Lakes 355 at The Glen". Finger Lakes Times. Geneva, NY. Retrieved 2012-08-15.
  5. ^ Pistone, Pete (August 14, 2012). "Michigan entry list features 45 drivers". Eye on NASCAR. CBS Sports. Archived from the original on November 15, 2012. Retrieved 2012-08-15.
  6. ^ "Jason Leffler – 2013 NASCAR Sprint Cup Results". Racing-Reference. USA Today Sports Media Group. Retrieved 2013-06-13.
  7. ^ "Leffler remembered as friend, teammate, father". Yahoo! Sports. Associated Press. June 13, 2013. Archived from the original on 16 June 2013. Retrieved 13 June 2013.
  8. ^ Gluck, Jeff (June 21, 2013). "Police say mechanical failure caused Leffler's crash". USA Today. Retrieved 2013-06-25.
  9. ^
  10. ^
  11. ^ Gluck, Jeff (June 14, 2013). "Autopsy reveals Jason Leffler's cause of death". USA Today. Tysons Corner, Virginia. Retrieved 2013-06-14.
  12. ^ "No. 11 car a tribute to Jason Leffler". ESPN. Associated Press. June 2013.
  13. ^ "Girlfriend of dead NASCAR driver defends steps he took for young son after ex-wife's family claims he 'didn't really leave anything' for the boy". DailyMail.co.uk. Retrieved January 22, 2018.

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