Alberto José Callaspo Brito (, ; born April 19, 1983) is a Venezuelan professional baseball infielder. He has played in Major League Baseball (MLB) for the Arizona Diamondbacks, Kansas City Royals, Los Angeles Angels of Anaheim, Oakland Athletics, Atlanta Braves and Los Angeles Dodgers. Callaspo has primarily played third base and second base during his career. Career Anaheim/Los Angeles Angels Callaspo was originally signed by the then-Anaheim Angels in 2001, playing for the Aguilas Cibaeñas of Dominican Summer League. In 2002, Callaspo batted .338 with 16 doubles, 10 triples, three home runs and 60 RBI in 70 games with the rookie-level Provo Angels, where he was voted by Baseball America as a Pioneer League All-Star and was named to Pioneer League All-Star team. In 2003, Callaspo led the Midwest League with a .327 average and 38 doubles with the Cedar Rapids Kernels. Callaspo spent 2004 with the Double-A Arkansas Travelers, where he was selected for the Texas League All-Star game. Callaspo split 2005 with the Travelers and Triple-A Salt Lake Stingers. He again made the Texas League All-Star Game and was named to the Texas League Post-Season All-Star Team. Arizona Diamondbacks On March 1, 2006, the Angels traded Callaspo to the Arizona Diamondbacks in exchange for pitcher Jason Bulger. He began 2006 with the Triple-A Tucson Sidewinders. He was named the Diamondbacks' Minor League Player of the Year. Callaspo was called up to the Diamondbacks. He also split the 2007 season between Arizona and Tucson. Kansas City Royals On December 14, 2007, the Diamondbacks traded Callaspo to the Kansas City Royals in exchange for pitcher Billy Buckner. He split the 2008 season between the big-league club and Triple-A Omaha Royals. In 2009, Callaspo tied for the major league lead in errors by a second baseman, with 17, and had the lowest fielding percentage of any starting second baseman (.973). Los Angeles Angels of Anaheim On July 22, 2010, Callaspo was traded to the Los Angeles Angels of Anaheim in exchange for pitchers Sean O'Sullivan and Will Smith. On January 16, 2012, Callaspo signed a one-year deal with the Angels worth $3.15 million, thus avoiding arbitration. On February 5, 2013, the Angels finalized a two-year deal with Callaspo worth $8.975 million. Oakland Athletics On July 30, 2013 he was traded to the Oakland Athletics in exchange for Grant Green Atlanta Braves On December 9, 2014, Callaspo agreed to a one-year, $3