If Saturday did indeed mark the end of an often brilliant, always controversial boxing career, Floyd Mayweather couldn't have asked for a more fitting performance. The 38-year-old frustrated, taunted, and toyed all night with an overmatched Andre Berto, effortlessly matching Rocky Marciano's hallowed 49-0 record en route to a lopsided decision win before confirming his retirement in the ring.
"You've got to know when to hang it up," Mayweather said. "I think it's about time for me to hang it up. I'm knocking at the door now, I'm close to 40 years old. I've been in this sport 19 years.