Conor McGregor opens as slight favorite for potential Dustin Poirier trilogy fight

Less than 24 hours after Conor McGregor was knocked out in his rematch against Dustin Poirier at UFC 257, the Irish star has opened as the betting favorite for a potential trilogy matchup.

In odds released by online sportsbook BetOnline.ag, McGregor (22-5 MMA, 10-3 UFC) opened as a slight favorite at -140. That means a $100 winning bet on McGregor would return $71.42 (in addition to the initial wager).

The comeback on Poirier (27-6 MMA, 19-5 UFC) is +120. That means a $100 winning bet on Poirier would return $120.00 (in addition to the initial wager).

The fight needs to take place in 2021 in order for action to occur. Both men expressed interest in a trilogy fight in their respective UFC 257 post-fight news conferences.

Ahead of the two fighters’ first meeting at UFC 178 in 2014, McGregor opened as an underdog at +195, with Poirier a favorite at -225. However, the line flipped. Closing odds had McGregor at -276 and Poirier at +159.

Before the rematch at UFC 257 on Saturday, McGregor opened at -175, with Poirier at +150. By the line’s close, McGregor grew to a -283 favorite against underdog Poirier, who was +275.

The data for UFC 178 and UFC 257 above, averages across major online sportsbooks, was calculated and tracked by gambling-line database BestFightOdds.

UFC 257 took place Saturday at Etihad Arena on Yas Island, Abu Dhabi. The main card streamed on ESPN+ pay-per-view after prelims on ESPN/ESPN+.