Five pivotal MLB players to watch in 2012

Perhaps they're picking up the slack for an injured player or providing lineup protection for a superstar. They might even be in need of a career renaissance. USA TODAY takes a look at five players who will be pivotal to their teams' playoff hopes this season:

http://www.usatoday.com/sports/baseball/story/2012-03-22/MLB-pivotal-players-2012/53876364/1