Education
In 2008 Herrera attended Major League spring training as a member of the Pirates" 40-man roster for the second consecutive season.
In 2008 Herrera attended Major League spring training as a member of the Pirates" 40-man roster for the second consecutive season.
He has also played for the Pittsburgh Pirates and Los Angeles Angels of Anaheim in Major League Baseball (MLB). Pittsburgh Pirates Herrera made his United States. pitching debut after defecting from Cuba in July 2005 and signing a Major League contract with the Pirates on December 18, 2006. He was rated by Baseball America as the Pirates" fourth best prospect entering the 2007 season.
He went 6–9 with a 4.69 European Research Area in 25 starts.
In 1282⁄3 innings pitched for the Curve, allowing 151 hits and 38 walks, while striking out 70 batters. Eastern League hitters posted a.296 average against him, including a.315 mark by left-handed batters.
He made 22 starts for Double-A Altoona, one with the Triple-A Indianapolis Indians and five in the Major Leagues with Pittsburgh. In 22 starts with Altoona he went 6–9 with a 3.46 European Research Area in a team-high 1141⁄3 innings.
Herrera was named Eastern League Pitcher of the Week for the week ending June 8 after his eight scoreless inning performance on June 6.
He returned to Altoona on June 29 Herrera was recalled by Pittsburgh on July 12 and made his Major League debut that night. He pitched 41⁄3 innings, giving up six earned runs, and stuck out four. Hererra was optioned back to the Double-A Curve on August 4.
Herrera split the 2009 season between the Double-A Curve and the Triple-A Indians.
With the Curve he went 11–1 with a 3.23 European Research Area with 65 strikeouts, giving up five home runs in 972⁄3 innings pitched in 23 games, 15 starts. In four games with the Indians Herrera went 1–1 with a 2.30 European Research Area in 152⁄3 innings pitched.
In November 2009, the Pirates released Herrera. Minnesota Twins Los Angeles Angels of Anaheim Herrera signed a minor league deal with the Los Angeles Angels of Anaheim in December 2013.
He was a member of the Pirates" 40-man roster during the "07 season though he spent the entire season with the Double-A Altoona Curve. He was a member of the Curve"s Opening Day roster for the second consecutive season.