Robert Guerrero

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Robert Guerrero
Real name Robert Joseph Guerrero
Nickname(s) The Ghost
Rated at Featherweight
Super featherweight
Height 5 ft 8 in (1.73 m)
Reach 70 in (178 cm)
Nationality American
Born (1983-03-27) March 27, 1983 (age 33)
Gilroy, California, U.S.
Stance Southpaw
Boxing record
Total fights 40
Wins 33
Wins by KO 18
Losses 4
Draws 1
No contests 2

Robert Joseph Guerrero (born March 27, 1983) is an American professional boxer. He is a former two-weight world champion, having held the IBF featherweight and junior lightweight titles (twice at featherweight). He is also a former WBA and WBO interim lightweight and WBC interim welterweight champion.[1][2][3] Guerrero is trained by his father Ruben Guerrero, a former amateur champion, who introduced Robert and his five brothers to boxing as youngsters growing up in Gilroy, California.[4]

Professional career[edit]


After an impressive amateur career begun at a very young age, Guerrero turned professional, at the age of 18, on May 22, 2001 with a four-round unanimous decision win against Alejandro Cruz. After several wins and only a single draw later, Guerrero won the WBC NABF Featherweight title against Cesar Figueroa on December 9, 2004. Defending his NABF title twice, Guerrero was seen as a rising prospect, until meeting Gamaliel Diaz in a bout televised on ShoBox, on the Showtime channel, on December 12, 2005. An aggressive Diaz upset Guerrero, winning by split decision and taking the NABF belt in the process.

Guerrero rebounded from his first loss by defeating Sandros Marcos via third-round technical knock-out, setting up a rematch against Diaz, again on Showtime. Guerrero knocked down Diaz in the first round, and eventually knocking out Diaz early in the sixth round. The win set him up to face IBF champion Eric Aiken.

Featherweight title[edit]

In his first world championship fight on September 2, 2006, Guerrero defeated Aiken by an eighth-round technical knockout in Los Angeles. Guerrero used inside fighting, neutralizing Aiken's power, and eventually making Aiken quit on his stool after the eighth round to earn his first world title belt.

Guerrero vs. Salido[edit]

Guerrero lost the belt in his next fight in a mandatory defense to future Featherweight champion Orlando Salido in Las Vegas. Salido dominated the majority of the bout and pulled off an upset decision win with scores of 115-113, 117-111, 118-110.[5] However, Salido would subsequently be stripped of the IBF title after testing positive for steroids, thus vacating the belt; the result of the bout would also be changed to a twelve-round no decision by the Nevada State Athletic Commission.

The IBF subsequently gave Guerrero the shot at the vacant featherweight title, which he won by ninth-round technical knockout in Copenhagen, Denmark on February 23, 2007, against Albanian boxer Spend Abazi.

Guerrero's second defense of his second title was to be against Rocky Juarez (27-3, 19 KOs); however, Juarez chose to meet WBC Super Featherweight Champion Juan Manuel Márquez in a money fight instead. Guerrero's first defense was scheduled to be against Martin Honorio (24-3-1) on November 3, 2007, and was televised on Showtime, on the undercard of the Marquez-Juarez match. Guerrero was unable to attend the final press conference before the match after his wife Casey[6] was diagnosed with leukemia. Guerrero defeated Honorio in a first round knock-out.

On February 29, 2008, Guerrero defeated Jason Litzau via an eighth round knock out.[7] Guerrero then vacated the title to move up in weight.

Super Featherweight[edit]

Guerrero vs. Yordan[edit]

On March 7, 2009, Guerrero fought Daud Yordan in his HBO debut. The fight ended in a second round "no contest" decision after Guerrero suffered a headbutt resulting in a gash above his eye. After the bout Guerrero offered Yordan a rematch, however, Yordan reportedly declined.[8]

On June 12, 2009, Guerrero faced Efren Hinojosa (30-5-1). He suffered another deep cut near his left eye from a head-butt in the seventh round, but this time it did not slow his progress as he scored an 8th round TKO victory. After the bout, the media described him as having redeemed himself for his previous lackluster effort.[9][10]

On August 22, 2009, Guerrero challenged Malcolm Klassen for his IBF Super Featherweight title. Guerrero won the fight by a unanimous decision to claim the world title. The scores were 117-112, 116-112 and 115-113 in his favor.[11]

In February 2010, Guerrero vacated his Featherweight title in order to care for his ailing wife.


On April 30, 2010, Guerrero moved up to the lightweight division to fight Robert Arrieta (35-15-4). The bout took place at the Tropicana Hotel and Casino in Las Vegas, Nevada, United States.[12] Guerrero won the fight by TKO in the 8th round.[13]

After the bout, Guerrero expressed his interest in fighting Mexican champion Juan Manuel Márquez.[14]

Guerrero vs. Casamayor[edit]

On July 31, 2010, Guerrero moved up to the junior welterweight division and faced Cuban fighter Joel Casamayor on the undercard of the Marquez vs. Diaz pay-per-view at the Mandalay Bay in Las Vegas.[15] Guerrero defeated Casamayor by a 10 round unanimous decision.[16] On November 6, 2010, he faced Vicente Escobedo for the vacant WBO Inter-Continental lightweight title. Guerrero knocked Escobedo down in the third and sixth rounds en route to a ten round unanimous decision.[17] On April 9, 2011, Guerrero faced Michael Katsidis for the interim WBA and WBO lightweight titles. Guerrero won the bout with a 12 round unanimous decision.In a post fight interview when asked on his hometown he said,"It's nice when you're pretty much their biggest thing besides garlic in Gilroy." Guerrero was scheduled to face Marcos Maidana in August for the WBA jr welterweight title, however, he was forced to pull out of the bout after suffering a torn tendon in his rotator cuff. He underwent surgery to repair the injury and could be out of the ring for up to 6 months.[18]

Return to the ring[edit]

Guerrero returned to the ring by jumping two weight classes, to face unbeaten Top 10 Welterweight Selcuk Aydin. On July 28, 2012 Robert Guerrero defeated Aydin in San Jose, California by unanimous decision for the interim WBC welterweight title.[19]

Guerrero vs. Berto[edit]

Guerrero's next fight was against former two-time Welterweight champion Andre Berto. Guerrero started off the fight fast, sending Berto to the canvas each of the first two rounds, as well as badly closing Berto's right eye early on. Berto got back into the fight during the middle rounds, landing hard uppercuts and right hands on Guerrero, who took the punches well. Throughout the fight the two traded punches with Berto on the ropes and Guerrero smothering him, while out working him the majority of the time. By the end of the fight, both of Berto's eyes and Guerrero's right eye were closed shut. Guerrero won a unanimous decision by the scores of 116-110 on all three scorecards. In the post fight interview, Guerrero called out pound-for-pound champion Floyd Mayweather.

Guerrero vs. Mayweather[edit]

On May 4, 2013 Guerrero lost to Floyd Mayweather Jr in the WBC Welterweight Championship fight by a unanimous decision, with all judges scoring the fight 117-111 in favor of Mayweather. Mayweather won by easily outboxing Guerrero from inside the pocket.

Guerrero vs. Kamegai[edit]

Guerrero took off a full year before returning to the ring to fight the Japanese Yoshihiro Kamegai. 'The Ghost' could hardly open his left eye toward the end of the fight, but scored a unanimous 12 round decision over the tough Kamegai,[20] thereby marking a triumphant return to the ring.

Guerrero vs. Thurman[edit]

On March 7, Robert "The Ghost" Guerrero fought in NBC's first episode of their new series, "Premier Boxing Champions" at the MGM Grand in Las Vegas. Guerrero's opponent, Keith "One-Time" Thurman, started off the match as the aggressor, throwing many powerful punches. Guerrero was able to withstand Thurman's blows until he was knocked down in the ninth round. Although the fight seemed bleak for Guerrero he was able to fight back, giving an exciting final three rounds in which he became the aggressor and forced Thurman against the ropes. Ultimately, "The Ghost" lost by unanimous decision but Guerrero's determination and strong will to win had the crowd of the MGM Grand chanting his name for the majority of the final round.[21][22]

Guerrero vs. Martinez[edit]

On June 6, 2015 Robert "The Ghost" Guerrero fought again on NBC as part of the "Premier Boxing Champions" series at StubHub Center, California, against the gritty Aron Martinez (19-4-1, 4 KOs). Martinez proved himself to be an underdog with bite. The action got going in earnest in Round 2, with both fighters working the body hard in some grueling infighting. Martinez continued to press the action in Round 4, scoring a knockdown at the end with hard body shots and then combinations to the head. But the momentum of the fight began to swing back in Guerrero's direction in Round 6, when he fought more from the outside. Both fighters had their moments in the latter half of the fight, but it was Guerrero who was able to control the distance, outland Martinez and pull out a split-decision win in a feisty back-and-forth battle.[23]

Guerrero vs. Garcia[edit]

On January 23, 2016 Robert "The Ghost" Guerrero fought on FOX as part of the "Premier Boxing Champions" series at Staples Center, California, against the undefeated Danny "Swift" Garcia (31-0-0, 18 KO) for the vacant WBC Welterweight Championship. The match was ruled a unanimous decision in favor of Garcia despite fighting on near-equal terms.

Professional boxing record[edit]

40 fights, 33 wins (18 knockouts), 4 losses, 1 draw, 2 no contests
No. Result Record Opponent Type Round, time Date Location Notes
41 N/A N/A Argentina David Emanuel Peralta N/A – (10) Aug 27, 2016 United States Honda Center, Anaheim, California, U.S.
40 Loss 33–4–1 (2) United States Danny García UD 12 Jan 23, 2016 United States Staples Center, Los Angeles, California, U.S. For vacant WBC welterweight title
39 Win 33–3–1 (2) United States Aaron Martinez SD 10 Jun 6, 2015 United States StubHub Center, Carson, California, U.S.
38 Loss 32–3–1 (2) United States Keith Thurman UD 12 Mar 7, 2015 United States MGM Grand Garden Arena, Las Vegas, Nevada, U.S. For WBA welterweight title
37 Win 32–2–1 (2) Japan Yoshihiro Kamegai UD 12 Jun 21, 2014 United States StubHub Center, Carson, California, U.S.
36 Loss 31–2–1 (2) United States Floyd Mayweather Jr. UD 12 May 4, 2013 United States MGM Grand Garden Arena, Las Vegas, Nevada, U.S. For WBC, lineal and vacant The Ring welterweight titles
35 Win 31–1–1 (2) United States Andre Berto UD 12 Nov 24, 2012 United States Citizens Business Bank Arena, Ontario, California, U.S. Retained WBC interim welterweight title
34 Win 30–1–1 (2) Turkey Selçuk Aydın UD 12 Jul 28, 2012 United States HP Pavilion, San Jose, California, U.S. Won vacant WBC interim welterweight title
33 Win 29–1–1 (2) Australia Michael Katsidis UD 12 Apr 9, 2011 United States MGM Grand Garden Arena, Las Vegas, Nevada, U.S. Won WBA and WBO interim lightweight titles
32 Win 28–1–1 (2) United States Vicente Escobedo UD 10 Nov 6, 2010 United States Prudential Center, Newark, New Jersey, U.S. Won WBO Inter-Continental lightweight title
31 Win 27–1–1 (2) Cuba Joel Casamayor UD 10 Jul 31, 2010 United States Mandalay Bay Events Center, Las Vegas, Nevada, U.S.
30 Win 26–1–1 (2) Argentina Roberto David Arrieta TKO 8 (10), 0:29 Apr 30, 2010 United States Tropicana Casino Hotel Resort, Las Vegas, Nevada, U.S.
29 Win 25–1–1 (2) South Africa Malcolm Klassen UD 12 Aug 22, 2009 United States Toyota Center, Houston, Texas, U.S. Won IBF junior lightweight title
28 Win 24–1–1 (2) Mexico Efren Hinojosa RTD 8 (10), 3:00 Jun 12, 2009 United States HP Pavilion, San Jose, California, U.S.
27 NC 23–1–1 (2) Indonesia Daud Yordan NC 2 (10), 1:47 Mar 7, 2009 United States HP Pavilion, San Jose, California, U.S. For vacant WBONABO junior lightweight title;
Ruled an NC after Guerrero was unable to continue due to an accidental head clash
26 Win 23–1–1 (1) Mexico Edel Ruiz TKO 1 (10), 0:43 Jan 24, 2009 United States Staples Center, Los Angeles, California, U.S.
25 Win 22–1–1 (1) United States Jason Litzau KO 8 (12), 2:25 Feb 29, 2008 United States Tachi Palace, Lemoore, California, U.S. Retained IBF featherweight title
24 Win 21–1–1 (1) Mexico Martin Honorio TKO 1 (12), 0:56 Nov 3, 2007 United States Desert Diamond Casino, Tucson, Arizona, U.S. Retained IBF featherweight title
23 Win 20–1–1 (1) Albania Spend Abazi TKO 9 (12), 0:01 Feb 23, 2007 Denmark Falkoner Center, Copenhagen, Denmark Won vacant IBF featherweight title
22 NC 19–1–1 (1) Mexico Orlando Salido UD 12 Nov 4, 2006 United States Mandalay Bay Events Center, Las Vegas, Nevada, U.S. Lost IBF featherweight title;
Originally a UD win for Salido, later changed to an NC after he failed a drug test
21 Win 19–1–1 United States Eric Aiken RTD 8 (12), 3:00 Sep 2, 2006 United States Staples Center, Los Angeles, California, U.S. Won IBF featherweight title
20 Win 18–1–1 Mexico Gamaliel Díaz KO 6 (12), 2:33 Jun 23, 2006 United States Oakland Arena, Oakland, California, U.S. Won NABF featherweight title
19 Win 17–1–1 Mexico Sandro Marcos TKO 3 (10), 0:54 May 18, 2006 United States HP Pavilion, San Jose, California, U.S.
18 Loss 16–1–1 Mexico Gamaliel Díaz SD 12 Dec 2, 2005 United States Palace Indian Gaming Center, Lemoore, California, U.S. Lost NABF featherweight title
17 Win 16–0–1 Mexico Sammy Ventura KO 1 (12), 2:05 Sep 16, 2005 United States Palace Indian Gaming Center, Lemoore, California, U.S. Retained NABF featherweight title
16 Win 15–0–1 Mexico Adrian Valdez TKO 12 Apr 1, 2005 United States Palace Indian Gaming Center, Lemoore, California, U.S. Retained NABF featherweight title
15 Win 14–0–1 Mexico Cesar Figueroa KO 4 (12), 0:59 Dec 9, 2004 United States Pechanga Resort and Casino, Temecula, California, U.S. Won NABF featherweight title
14 Win 13–0–1 Mexico Enrique Sanchez TKO 8 (10) Jun 3, 2004 United States Chinook Winds Casino, Lincoln City, Oregon, U.S.
13 Win 12–0–1 Colombia Juan Polo Perez TKO 2 (6) Apr 24, 2004 United States Miccosukee Resort and Gaming, Miami, Florida, U.S.
12 Draw 11–0–1 Mexico Julian Rodriguez TD 1 (8), 1:17 Mar 14, 2004 United States Pechanga Resort and Casino, Temecula, California, U.S. Ruled a TD after Rodriguez was unable to continue after an accidental foul
11 Win 11–0 Mexico Jose Luis Tula TKO 1 (10), 2:30 Jun 8, 2003 United States Texas Station, Las Vegas, Nevada, U.S.
10 Win 10–0 United States David Vasquez TKO 1 (10), 1:02 May 4, 2003 United States Spotlight 29 Casino, Coachella, California, U.S.
9 Win 9–0 Nicaragua Jose Alfonso Rodriguez TKO 2 (6), 2:38 Dec 20, 2002 United States American Airlines Arena, Miami, Florida, U.S.
8 Win 8–0 Mexico Freddy Castro UD 6 Jul 3, 2002 United States Hyatt Hotel, Monterey, California, U.S.
7 Win 7–0 Mexico Marcos Badillo UD 6 Apr 14, 2002 United States Hard Rock Hotel and Casino, Las Vegas, Nevada, U.S.
6 Win 6–0 United States Robert Enriquez UD 4 Mar 10, 2002 United States Green Valley Ranch, Las Vegas, Nevada, U.S.
5 Win 5–0 Mexico Joaquin Candelario UD 4 Feb 8, 2002 United States Pechanga Resort and Casino, Temecula, California, U.S.
4 Win 4–0 United States Arthur Trevino UD 4 Jan 25, 2002 United States Young Pavilion, Pembroke Pines, Florida, U.S.
3 Win 3–0 United States Oscar Rosales UD 4 Sep 2, 2001 United States Sunset Station, San Antonio, Texas, U.S.
2 Win 2–0 United States Javier Gonzalez TKO 3 (4) Sep 29, 2001 United States Miccosukee Resort and Gaming, Miami, Florida, U.S.
1 Win 1–0 Mexico Alejandro Cruz UD 4 Apr 22, 2001 United States Fantasy Springs Resort Casino, Indio, California, U.S. Professional debut

Titles in boxing[edit]

Regional titles
Preceded by
César Figueroa
NABF featherweight champion
December 9, 2004 – December 2, 2005
Succeeded by
Gamaliel Díaz
Preceded by
Gamaliel Díaz
NABF featherweight champion
June 23, 2006 – November 2006
Title next held by
Juan Ruiz
Title last held by
Kevin Mitchell
WBO Inter-Continental lightweight champion
November 6, 2010 – April 9, 2011
Won interim title
Title next held by
Kevin Mitchell
World titles
Preceded by
Eric Aiken
IBF featherweight champion
September 2, 2006 – November 4, 2006
Succeeded by
Orlando Salido
Title last held by
Orlando Salido
IBF featherweight champion
February 23, 2007 – June 22, 2008
Title next held by
Cristóbal Cruz
Preceded by
Malcolm Klassen
IBF junior lightweight champion
August 22, 2009 – February 16, 2010
Title next held by
Mzonke Fana
Title last held by
Miguel Acosta
WBA lightweight champion
Interim title

April 9, 2011 – August 29, 2011
Title next held by
Richar Abril
Title last held by
Michael Katsidis
WBO lightweight champion
Interim title

April 9, 2011 – September 1, 2011
Title next held by
Ricky Burns
Title last held by
Shane Mosley
WBC welterweight champion
Interim title

July 28, 2012 – May 4, 2013
Lost bid for world title


The Ghost (2010) documents the life of three-time world champion boxer Robert "The Ghost" Guerrero. It was directed by Andrew Johnston, in association with Golden Boy Promotions.


  1. ^ Coppinger, Mike (2012-11-25). "Guerrero outworks Berto for interim welterweight title". Retrieved 2013-02-01. 
  2. ^ "Brave Katsidis outpointed by American in title defence". 2011-04-11. Retrieved 2013-02-01. 
  3. ^ [1]
  4. ^
  5. ^ "Guerrero loses featherweight belt to Salido in Vegas – boxing – ESPN". 2006-11-04. Retrieved 2013-02-01. 
  6. ^ "Casey Guerrero Robert Guerrero's Wife". Retrieved 2012-2-18.  Check date values in: |access-date= (help)
  7. ^ "AFP: Guerrero stops Litzau to retain IBF featherweight title". 2008-03-01. Retrieved 2013-05-10. 
  8. ^ "Robert 'The Ghost' Guerrero | News & Culture | Feature Story". Retrieved 2013-02-01. 
  9. ^ Beacham, Greg (June 13, 2009). "Guerrero back on track with win over Hinojosa". USA Today. 
  10. ^ [2] Archived August 31, 2009, at the Wayback Machine.
  11. ^ "Guerrero claims Klassy win". Sky Sports. 2009-08-23. 
  12. ^ "Happy returns: Robert Guerrero wanted to fight Roberto Arrieta in April 30 – ESPN". 2010-04-03. Retrieved 2013-02-01. 
  13. ^ Sandoval, Luis (2010-04-30). "Robert Guerrero Stops Robert Arrieta, Full Event Review". 
  14. ^ Burton, Ryan (05-04-2010). "Robert Guerrero Eyes Juan Manuel Marquez Showdown".  Check date values in: |date= (help)
  15. ^ Reeno, Rick (May 13, 2010). "Guerrero vs Casamayor in Play For Marquez-Diaz PPV". Retrieved May 14, 2010. 
  16. ^ "Guerrero defeats Casamayor, Linares defeats Juarez, Pirog, Groves, Mendy, Gomez, Mitchell all win". Retrieved 2013-02-01. 
  17. ^ "Robert Guerrero Decisions Vicente Escobedo Over Ten – Boxing News". 2010-11-07. Retrieved 2013-02-01. 
  18. ^ Satterfield, Lem (2011-08-24). "Breaking news: Guerrero to have arthroscopic surgery on shoulder | RingTV". Retrieved 2013-02-01. 
  19. ^ "Robert Guerrero: Once I beat Aydin, I’ll have Floyd's belt & be ready for him". 2012-06-12. Retrieved 2013-02-01. 
  20. ^
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External links[edit]