Modified Rules Boxing – Floyd Mayweather Jr versus Conor McGregor


Boxer Floyd Mayweather Jr (USA) defeated Conor McGregor of Ireland by a Technical Knockout in the 10th Round of a much-publicised fight between the All-Time winningest boxer (this was his 50th bout undefeated, surpassing Pacquiao’s record of 49), and the King of UFC – The Ultimate Fighting Championship in Las Vegas on 26th of August 2017.

On April 11th 2018, the Business Insider reported rumours that the two men were planning on a rematch using modified MMA (Mixed Martial Arts) rules such as those used in UFC.

Conor McGregor – Irish UFC Fighter [References: 3]


[1] Bleacher Report (2017) Floyd Mayweather beats Conor McGregor by 10th Round TKO in Megafight [Internet] Available from: [Accessed 9 March 2021]

[2] Business Insider (2018) Rumours suggest Floyd Mayweather will fight Conor McGregor with modified rules — but they’ll benefit only one man [Internet] Available from: [Accessed 9 March 2021]


[3] Conor McGregor Facebook (2016) Profile Picture, March 26, 2016 [Internet] Available from: [Accessed 1 February 2020]


Thanks to Niall Brennan.

About this document

Researched, compiled and written by Enda Mulcahy for the

Eirball | Irish North American and World Sports Archive

Last Updated: 9 March 2021

(c) Copyright Enda Mulcahy and Eirball 2021

You may quote this document in part provided that proper acknowledgement is given to the authors. All Rights Reserved.

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