Watson is unlikely to be anything more than a low-leverage reliever and will have to be returned to the Giants if he doesn't stick on the active roster all season, as he was a Rule 5 pick by the A's who was then traded to Boston. He's a 28-year-old with no big-league experience, though his 21.1 K-BB% last season at the Triple-A level means he has a chance to stick around. Read Past Outlooks