Strikeforce Challengers 20 main card set for Nov. 18 in Las Vegas

Five fights are now official for November’s Strikeforce Challengers 20 event.

The show takes place Nov. 18 at The Pearl at the Palms Casino Resort in Las Vegas.

A previously reported light-heavyweight bout between Antwain Britt and Lumumba Sayers headlines the night’s main card, which airs on Showtime at 11 p.m. ET/PT.