Would Floyd Mayweather and Canelo Alvarez benefit from the Garcia-Matthysse bout on their undercard?

Danny Garcia may defend his super lightweight titles against Lucas Matthysse (AP)Some of the best fights in the last quarter century wound up buried on unbelievably long Don King-promoted pay-per-view cards. Ask King how he thought a pay-per-view would perform, and he'd invariably reply, "a million," regardless of reality. The truth is that the vast majority of them never threatened a million, despite the quality and depth of the undercards King and matchmaker Bobby Goodman made. And that issue brings us to the undercard for the Floyd Mayweather-Canelo Alvarez pay-per-view show on Sept. 14 at the MGM Grand Garden in Las Vegas. Right now, no bouts are signed for it. Golden Boy CEO...