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

Dutrow had unsuccessfully appealed the license revocation in state courts, with the punishment put on hold until the New York Court of Appeals in January declined to hear his latest appeal.

WSJ: Derby-winning trainer Dutrow sues over NY ban