UFC on FOX 20 has begun at the United Center in Chicago, so let’s get to some of the prelim fights.

In tonight’s main event, former bantamweight champ Holly Holm will face Valentina Shevchenko.

Fight Pass Prelims

Alex Oliveira def. James Moontasri via unanimous decision (30-26, 30-26, 30-25)

Jason Knight def. Jim Alers via split decision (29-28, 28-29, 29-28)

Luis Henrique def. Dmitrii Smoliakov via submission (rear-naked choke) R2, 3:58

FOX Prelims

Michel Prazeres def. J.C. Cottrell via unanimous decision (30-26, 30-27, 30-27)

Kamaru Usman vs. Alexander Yakovlev

Round 1: Usman comes in and clinches up. Usman goes for a trip but Yakovlev defends. Usman sweeps Yakovlev to the floor. Usman with some right hands. Knees to the thigh by Usman. Yakovlev grabs the fence and “Big” John McCarthy takes a point. Yakovlev gets back to his feet. Usman continues to knee Yakovlev to the legs. Usman pulls Yakovlev to the mat. Usman lands some elbows from above. Round ends.

Round 2: Yakovlev fires in a body kick. And another. Usman throws a right to the body. Yakovlev comes with another body kick. Usman pushes Yakovlev to the fence. Usman pulls Yakovlev to the floor again. Usman is throwing elbows and punches from the top. Yakovlev spins and is looking for a heel hook. Usman defends. More punches from Usman. Round ends.

Round 3: Usman takes a kick to the body but pushes Yakovlev to the cage. Usman gets another TD. Yakovlev just can’t hang with the wrestling of Usman. Latter is looking for an arm-triangle-choke. Yakovlev rolls and gets back to his feet. Usman takes him down with ease and moves into mount. Usman is tossing down punches. Yakovlev works his way out and back to his feet. Usman pulls him back to the floor. Usman’s pretty much pitching a shutout here. Round ends.

Kamaru Usman def.. Alexander Yakovlev via unanimous decision (30-25, 30-25, 30-25)

Darren Elkins vs. Godofredo Pepey

Round 1:  Pepey fires a spinning backfist and Elkins fires back a right. Pepey throws a kick but Elkins counters with a takedown. Pepey is working a kimura and uses it sweep. Pepey plants a right from above. Elkins is hunting for a heelhook and pops back to his feet. Wow. Now Elkins is on top. The latter is cut. Elkins is throwing punches from above but Pepey keeps looking for subs. Pepey gets back to his feet and has a Kimura in play. He gives it up. Elkins is on top once again. Round ends.

Round 2: Pepey comes out and eats a right. Wow. Pepey spins with a kick but it doesn’t land flush. Elkins takes it down again. Pepey is looking for a heelhook. Hard elbows from Pepey. In the scramble the latter takes top position. Pepey blasts Elkins with a knee to the head as he’s getting up. Blatant illegal knee. Ref Herb Dean takes away a point from Pepey. Nice TD from Elkins. Pepey fires up some elbows. Elkins counters with some hammer fists. Hard elbows from Elkins now. Round ends.

Round 3: Elkins runs out and lands a hard body kick. He counters Pepey’s pressure with a nicely timed takedown. Elkins is posturing up and landing shots from above. Pepey kicks Elkins off and gets back to his feet. Fight heads to the mat again and Elkins is on top. Latter continues to work from the top. Pepey needs to do something fast. Final horn goes.

Darren Elkins def. Godofredo Pepey via unanimous decision (29-27, 29-27, 30-26)

Frankie Saenz vs. Eddie Wineland

Round 1: Saenz fires in leg kick. Another leg kick from Saenz. Wineland returns the favor. Latter lands a right but eats a counter. Saenz grazes Wineland with a hook and the latter counters with a TD. Saenz is back up. Wineland is moving forward; lots of movement. Wineland cracks Saenz with a right that drops him momentarily. Another nice leg kick from Saenz, and then he scores a beautiful TD. Wineland throws an elbow from the bottom. Saenz is cut. Wineland goes for an armbar and gives up his back. Round ends.

Round 2: Saenz lands another hard leg kick. Both men flurry in the pocket. Saenz plants an overhand right and Wineland counters. Wineland changes levels but can’t get the TD. Saenz fires in a right. Nice counter right by Wineland. Another right from Wineland lands. Saenz threatens with a flying knee. Wineland defends Saenz TD. Wineland plants an uppercut. Saenz shoots but Wineland shrugs it off. Wineland clips Saenz with a punch that momentarily puts him down. Hard right from Saenz lands. Round ends.

Round 3: Saenz continues to land hard leg kicks. Another shot from Saenz is defended. Wineland plants an overhand right. Wow. Wineland pounds Saenz with a right hand and he goes down. Saenz pops back up but Wineland lands more shots and the ref jumps in. Huge win for Wineland.

Eddie Wineland def. Frankie Saenz via TKO (punches) R3, 1:54