The Orioles today announced that they have reassigned right-hander Jair Jurrjens, left-hander Mark Hendrickson and infielder/outfielder Conor Jackson to minor league camp. With these moves, the Orioles now have 28 active players, plus injured right-hander Chris Tillman, at major league spring training, including one non-roster invitee (infielder/outfielder Steve Pearce).