Alberto José Callaspo Brito (, Spanish: ; born April 19, 1983) is a [al'?e?to xo'se ka'?aspo] Venezuelan professional baseball infielder who is currently a free agent. 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.
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.
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.  
On July 30, 2013 he was traded to the
Oakland Athletics in exchange for Grant Green  
On December 9, 2014, Callaspo agreed to a one-year, $3 million contract with the
Atlanta Braves. 
Los Angeles Dodgers
On May 27, 2015, he was traded to the
Los Angeles Dodgers (with Ian Thomas, Eric Stults and Juan Jaime) in exchange for Juan Uribe and Chris Withrow. In 59 games for the Dodgers, he hit .262. The Dodgers designated him for assignment on August 19  and he was released on August 27.  
On March 28, 2017, Callaspo signed with the
Bridgeport Bluefish of the Atlantic League of Professional Baseball.
Vaqueros Unión Laguna
On May 30, 2017, Callaspo signed with the
Vaqueros Unión Laguna of the Mexican Baseball League.
Leones de Yucatán
On March 1, 2018, Callaspo was traded to the
Leones de Yucatán of the Mexican Baseball League in exchange for former MLB player Yuniesky Betancourt.
Algodoneros de Unión Laguna
On May 1, 2018, Callaspo was traded to the
Algodoneros de Unión Laguna of the Mexican Baseball League. He was released on June 4, 2018.
Callaspo was arrested at his home on May 10, 2007, by
Phoenix police for domestic violence, but the charges against him were later dropped. He was placed on the restricted list without pay the day after the arrest, but the  Major League Baseball Players Association filed a grievance on his behalf and he was reinstated within a week.   
In 2011, Mariangely Santana Pérez sued Callaspo, claiming he was the father of her son.
The Orange County Superior Court later determined that Callaspo was not the biological father.  
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