Kelvin Herrera

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Kelvin Herrera
Kelvin Herrera on May 25, 2012.jpg
Herrera with the Kansas City Royals
Kansas City Royals – No. 40
Born: (1989-12-31) December 31, 1989 (age 25)
Tenares, Hermanas Mirabal, Dominican Republic
Bats: Right Throws: Right
MLB debut
September 21, 2011 for the Kansas City Royals
Career statistics
(through 2014 season)
Win–Loss record 13–14
Earned run average 2.56
Strikeouts 210
WHIP 1.17

Kelvin DeJesus Herrera Mercado (born December 31, 1989) is a Dominican professional baseball pitcher for the Kansas City Royals of Major League Baseball.

Professional career[edit]

Herrera along with Wil Myers represented the Royals at the 2011 All-Star Futures Game.[1]


Herrera was called up to the majors for the first time on September 21, 2011.[2] He gave up three earned runs over two innings.


2012 was a breakout season for Herrera. He appeared in 76 games and posted a 2.35 ERA over 84 innings while compiling 77 strikeouts. On August 30, 2012, Herrera got his first career save.


Herrera took a bit of a step back in 2013 and spent part of the year in the minors. While pitching in the majors his ERA ballooned to 3.86 and he gave up nine home runs in 59 appearances.


In 2014 Herrera became the go-to seventh inning option for manager Ned Yost. Along with set-up man Wade Davis and closer Greg Holland, Herrera was part of one of the most prolific late inning trios in all of baseball.[3] His ERA was 1.41, easily the best of his career, and he did not allow a home run during the entire regular season. He had his first professional at-bat in Game 3 of the World Series in San Francisco, where he struck out.

Scouting Report[edit]

Herrera throws extremely hard; his fastball averages about 98 mph and tops out at 103. He pairs his fastball with a deceptive changeup around 87-88 and an occasional curveball in the low-80s.[4]


  1. ^ Holt, Adam (June 23, 2011). "Kelvin Herrera, Wil Myers to represent Royals at Futures Game". Retrieved August 24, 2012. 
  2. ^ Hays, Matthew (September 21, 2011). "Kansas City Royals Designate Kila Ka`aihue For Assignment". SB Nation. Retrieved August 24, 2012. 
  3. ^
  4. ^ "PITCHf/x Player Card: Kelvin Herrera". Retrieved May 6, 2012. 

External links[edit]