Conor McGregor sends birthday message to nemesis Floyd Mayweather

Former two-division UFC champion Conor McGregor has sent a birthday message to one of his chief rivals, undefeated boxing star Floyd Mayweather Jr. McGregor and Mayweather met in the boxing ring in 2017 in a massive crossover spectacle. McGregor, who was making his pro boxing debut, performed surprisingly well in the fight’s early rounds, but […]

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