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Newly crowned bantamweight champion Sean O'Malley has his first title defense against the only man to beat him, top contender Marlon Vera. Plus, Dustin Poirier takes on Benoit Saint Denis and Michael Page makes his debut against Kevin Holland.

Action from the PBA bowling tour.

From Bowlero Brooklyn Park in Brooklyn Park, Minn.

From Bowlero Brooklyn Park in Brooklyn Park, Minn.

Action from the PBA bowling tour.

The top professionals compete for prize money on the Disc Golf Pro Tour.

Pro watercross racers take on the course at Lake Crook State Park in Paris, Texas.

From Dumke Family Softball Stadium in Salt Lake City.

Eastaboga, Ala.

From Pevely, Mo.

The BC Lions face the Saskatchewan Roughriders in Week 2 of the CFL regular season. Quarterback Nathan Rourke commands the Lions against Trevor Harris and the Roughriders as the West Division contenders clash on the gridiron.

Memorable knock-outs from throughout MMA history.