Bad Left Hook, Global Boxing News and Commentary

Abner Mares dropped Daniel Ponce De Leon twice, and stopped him in the ninth round, though the decision to stop the fight by referee Jay Nady was questionable.

Abner Mares remains undefeated with a ninth round TKO of Daniel Ponce De Leon on the Mayweather vs. Guerrero undercard.

Get Mayweather vs. Guerrero live results all night here at Bloody Elbow. Get results here from the night's co-featured fight, with Abner Mares vs. Daniel Ponce de Leon.

A few last thoughts on Floyd Mayweather vs. Robert Guerrero. The two men meet tonight live on Showtime pay-per-view.

Floyd Mayweather takes on Robert Guerrero in tonight's big main event from Las Vegas. Here's how you can watch.

Daniel Ponce De Leon and Abner Mares will put their friendship aside tomorrow night, in what many feel may be a show-stealing matchup on the Mayweather vs Guerrero undercard. Who wins?

Floyd Mayweather and Robert Guerrero made weight today for tomorrow night's big Showtime PPV main event from Las Vegas.

Check out Floyd Mayweather and Robert Guerrero getting all up in each other's mugs at today's (May 3, 2013) weigh in event in Las Vegas, Nevada, in advance of their welterweight championship showdown at the MGM Grand Garden Arena tomorrow night.

Need to know who's going to be fighting on the Mayweather-Guerrero undercard? There's a main event-worthy featherweight title fight and two more bouts coming your way on Saturday.

Floyd Mayweather faces Robert Guerrero in the biggest fight of 2013 thus far, and heavyweight champion Wladimir Klitschko is also back on Saturday.