But on Tuesday, he suffered yet another setback.In his spring training debut against the Philadelphia Phillies, Giolito left after one inning after feeling tightness in his hamstring--tightness that the righty said he experienced on the very first pitch of the outing.

Appearing in a game for the first time in a year, Lucas Giolito was upbeat. Then he threw his first pitch and things changed.

Giolito, who missed last season because of elbow surgery, spent much of the start of camp going through his rehab progression.