Round 11: Mayweather's shoulder defenses allow him to block four straight punches, after which he answers with a hard right to the jaw. Landing punches is futile for Marquez, who continues to eat counter-punches. Mayweather drills another long, lead right to Marquez on the ropes. There appears to be blood dripping from Marquez's nose. A three-punch combination shakes Marquez, as does a leaping left hand before the bell. Mayweather's round, 10-9