<P> During McGregor's rise in the UFC, he often made public insults towards Floyd Mayweather Jr. and pushed for a boxing match with him . Floyd Mayweather Jr. also eventually entertained this idea despite having retired in 2015, and McGregor's never having boxed professionally . After rumours of a McGregor - Mayweather bout started gaining traction, Dana White initially dismissed the proposed match vehemently since McGregor was contracted under the UFC . On 30 November 2016, McGregor obtained a professional boxing licence from the California State Athletic Commission . </P> <P> On 7 March 2017, Mayweather publicly announced he would come out of retirement for a boxing match with McGregor and urged McGregor and the UFC to come to an agreement for the proposed fight . On 16 March 2017, Dana White backpedalled on his stance against a Mayweather--McGregor bout and said that he would not deprive McGregor from making a massive payday . On 18 May 2017, McGregor reportedly agreed to terms with the UFC and Mayweather Jr. for a bout agreement . </P> <P> On 14 June 2017, it was officially announced that McGregor would compete in his first professional boxing match against the undefeated Mayweather Jr., on 26 August 2017 at T - Mobile Arena in Paradise, Nevada . The bout was contested at super welterweight (154 pounds) with 8 oz . gloves . The fight was expected to be the richest in boxing history . </P> <P> On 24 August 2017, it was announced that Mayweather and McGregor would be facing off for the WBC Money Belt . According to the Nevada State Athletic Commission, Mayweather would earn a guaranteed purse of $100 million and McGregor was guaranteed $30 million . </P>

When did conor mcgregor lose the featherweight title