The Twins aren't the only team with concerns entering the postseason. Here is the biggest question facing each of six other playoff-bound clubs.
Can righthander Aaron Sele (8-9, 4.91 ERA through Sunday) return from a rotator-cuff injury to bolster the rotation?
With fireballing closer Billy Koch second in the American League in appearances (75), how much does he have left?
Can Julio Franco and Matt Franco provide the offense the lineup needs from the first base slot?
If opponents pitch around MVP candidate Albert Pujols (.312, 115 RBIs), who will pick up the slack?
The Big Two are 45-10, but will Randy Johnson and Curt Schilling have to again combine for nine postseason victories?
Will Mariano Rivera (1-4, 27 saves) get over his strained right shoulder and regain his dominating form?