Toronto Blue Jays

Casey JanssenDarren OliverSteve DelabarSergio Santos
In the bullpen resides the Blue Jays' biggest question mark heading into 2013. Right-handers Casey Janssen (above, 22 saves last season) and Sergio Santos could both see save opportunities, but neither has proven yet to be a shutdown ninth-inning guy. Steve Delabar also has good stuff, and the... Jared Wickerham, Getty Images