COLUMBIA, S.C. (USC SID) -- Four former South Carolina Gamecocks are active for the 2013 MLB season. Jackie Bradley Jr. (2009-11) made his debut Monday afternoon for the Boston Red Sox vs. the New York Yankees. Justin Smoak (2006-08) began his fourth season in the big leagues with the Seattle Mariners at Oakland on Monday night. Both Brian Roberts (1999) and Steve Pearce (2004-05) will don the Baltimore Orioles jersey. Their first game was Tuesday at Tampa Bay. In addition, a pair of Gamecocks are on 40-man rosters for their respective teams. James Darnell (2006-08) is currently on the 15-day disabled list with the San Diego Padres and is on the 40-man roster. Sam Dyson (2008-10) is also on the 40-man roster for the Miami Marlins.