Dustin Poirier's wife, Jolie, visited Conor McGregor in his dressing room following the Irishman's defeat at UFC 257. McGregor, 32, was knocked out in the second round of his bout with Poirier, 32, in the UAE last weekend.
The two fighters go a long way back and first met in the Octagon in 2014, when McGregor emerged victorious via first-round TKO.
Talks over a rematch began last year, with McGregor and Poirier discussing fighting for charity in a public Twitter exchange.
McGregor pledged to donate $500,000 (£365,000) to Poirier's Good Fight Foundation, which has a number of aims including building a gym where underprivileged youngsters can train combat sports.
Read more on mirror.co.uk