Floyd Mayweather knocked Tenshin Nasukawa out in the opening round as their big-money fight turned into a farce. Kickboxing star Nasukawa was left crying in his own corner after being sent tumbling to the canvas three times in the first two minutes of the fight on New Year’s Eve in Saitama, Japan. Mayweather, 41, boasted about earning $9 million dollars to take on Japan’s golden boy — and he collected his money with minimum fuss after making his opponent look foolish. When the first bell sounded the unbeaten five-weight class boxing champion strolled out with a grin on his face...