Well, not really. But the New York Yankees shortstop and 2009 Roberto Clemente Award recipient appeared on NBC's The Biggest Loser this week in an effort to pump up the contestants.
We'll see who the biggest losers are after Game 2 of the World Series at 7:57pm ET tonight, where old schooler Pedro Martinez takes the hill for the Philadelphia Phillies against Yankees righty A.J. Burnett. Enjoy!