 He returned to the major leagues on May 8, 2010 when he tossed five-plus innings and allowed two earned runs to the Florida Marlins at Nationals Park while giving up six hits, striking out three and walking none but did not get a decision.A day after pitching, Chico was designated for assignment on May 9 but remained on the 40-man roster and was sent down to the Double-A Harrisburg Senators.He signed a minor league contract with the Los Angeles Dodgers in December, 2011.