MLB playoffs: Under-the-radar postseason performers for all 12 teams

Every baseball postseason, there is an unsung hero who delivers a walk-off home run, makes a game-saving catch or comes out of the bullpen to close out a game.

Those players etch their names in baseball lore -- players like Bill Mazeroski, Bucky Dent, Kirk Gibson, Joe Carter, Aaron Boone, David Freese and Don Larsen, to name a few.

Who will step up this year? Every playoff team has players capable of such feats, so here