Which player is most critical to his team's success?
Erik Bedard (SEA)
Ryan Doumit (PIT)
Roy Halladay (TOR)
Josh Hamilton (TEX)
Brett Myers (PHI)
Jake Peavy (SD)
Carlos Quentin (CHW)
Aramis Ramirez (CHC)
Jose Reyes (NYM)
Grady Sizemore (CLE)