Armando Antonio Galarraga (born January 15, 1982) is a Major League Baseball pitcher for the Arizona Diamondbacks. Galarraga made his Major League Baseball debut with the Texas Rangers on September 15, 2007. On June 2, 2010, while playing for the Detroit Tigers, he lost a perfect game following a wrong call made by umpire Jim Joyce in the top of the ninth with two outs.
Galarraga was born in Cumaná, Venezuela. He originally signed as a free agent with the Montreal Expos on October 31, 1998. He was acquired by the Rangers from the Washington Nationals as part of the deal that sent Alfonso Soriano to the Nationals in 2005.
Armando Galarraga made his major league debut on September 15, 2007 against the Oakland Athletics. He entered the game in the eighth inning, and pitched a scoreless inning. He allowed no hits and one base on balls.