Saturday's Cotto-Margarito rematch at the remodeled Garden offers the backdrop of bad blood (Cotto lost in 11 rounds in 2008) and a lingering controversy the revocation of Margarito's boxing license in California after a sticky substance was found on the hand wraps he used in a 2009 fight with Shane Mosley.

WSJ: Jason Gay: Taking a Ride With Boxing's Big Cheese