Boston Red Sox

Exposito was drafted by the Red Sox in the 31st round of the 2005 Major League Baseball Draft.

Exposito spent his 2010 season playing for the Portland Sea Dogs leading the team with 94 RBI.^[1]

On June 8, 2011, Exposito was called up to the Red Sox as insurance after starting catcher Jarrod Saltalamacchia became ill; he filled the roster spot of Bobby Jenks, who was placed on the disabled list. Exposito was optioned to Pawtucket two days later without appearing in a game.

Baltimore Orioles

On April 17, 2012, Exposito was claimed off waivers by the Baltimore Orioles. To make room for Exposito on the 40-man roster, the Orioles designated infielder Josh Bell for assignment.^[2]

Exposito was designated for assignment on April 30, 2013.

Detroit Tigers

Exposito signed a minor league contract with the Detroit Tigers on January 9, 2014, and was assigned to AAA Toledo Mud Hens, playing for them in 29 games.

Oakland Athletics

On June 11, 2014 he was released by the Detroit Tigers and signed a minor league deal with Oakland Athletics on June 25, 2014, playing in 19 games for the AAA Sacramento River Cats. On August 3, 2014 he was released by the Oakland Athletics.

Bridgeport Bluefish

Exposito signed with the Bridgeport Bluefish of the Atlantic League of Professional Baseball for the 2016 season, but instead announced his retirement on April 8, 2016.