Staples Center has made a guaranteed $20-million offer to host the Manny Pacquiao-Floyd Mayweather Jr. fight that has been verbally agreed to be fought March 13.

"This is the biggest boxing event ever, and we're prepared to step up in a big way," said Dan Beckerman, AEG's chief financial officer. Beckerman said his pitch to Mayweather promoter Richard Schaefer and Pacquiao's promoter Bob Arum is to "activate the entire L.A. Live campus" on fight week.

A large closed-circuit audience could watch the bout at Nokia Theatre and 20,000 would fill Staples Center, Beckerman said.

"We know there's interest in this fight across the world, but we're very interested and honored to make the most impressive offer possible," Beckerman said. "It's our biggest guarantee ever, and we hope it wins the day. We wanted to push as far and as hard as we could."