LAS VEGAS -- The interim UFC lightweight championship is on the line Saturday night when Paddy Pimblett takes on Justin Gaethje in the main event of UFC 324. Every UFC event is now streaming live on Paramount+ with UFC 324 kicking off the landmark seven-year agreement between the two entities.

UFC 324 final faceoffs are complete after ceremonial weigh-ins and the loaded promotional debut on Paramount+.

Keep your eyes on this Heavyweight prospect… Ultimate Fighting Championship (UFC) returns to “Sin City” this weekend (Sat., Jan. 24, 2026) for its first-ever Paramount+ event, UFC 324, which goes down inside T-Mobile Arena in Las Vegas,

Paddy Pimblett (23-3 MMA, 7-0 UFC) was the first fighter to the scale for his interim lightweight title fight against Justin Gaethje (26-5 MMA, 9-5 UFC), who ironically was the last fighter to come to the scale during the one-hour window. Pimblett was a pound under at 154; Gaethje was 155 on the nose.