Blair Cobbs is walking boxing's tight-rope: Win, and he backs up his big talk. ... Lose — or worse, get knocked out in brutal fashion — and he becomes a boxing meme for the ages.

Frank Gore's boxing debut didn't go as well as he'd hoped. The legendary 49ers running back fought ex-NBA point guard Deron Williams in a four-round exhibition on the Jake Paul-Tyron Woodley undercard ...