Brock Larson completes eight-man field for BattleGrounds MMA's single-night tourney

BattleGrounds MMA’s upcoming single-night welterweight tournament has its eighth and final entrant.

UFC vet Brock Larson (37-8), who had won four connective bouts before a recent decision loss to Nobutatsu Suzuki in a ONE FC title fight, has completed the field of competitors.

Rich Chou, a longtime fight executive who teamed up with Olympic gold medalist Kenny Monday to head BattleGrounds MMA, recently tweeted the addition.

The tourney, dubbed “One Night Elimination (O.N.E.),” takes place June 27 at BOK Center in Tulsa, Okla. The Oklahoma State Athletic Commission approved the single-night tournament, where fighters could compete up to nine rounds and 45 minutes in one night.

Larson joins seven other notables in the tourney: “The Ultimate Fighter 12? quarterfinalist Cody McKenzie (15-4), former UFC title challenger and respected submission specialist Dennis Hallman (53-14-2), former UFC and M-1 fighter Luigi Fioravanti (24-11), five-time UFC fighter David Mitchell (13-4), 2012 NCAA Division I national wrestling runner-up Chris Honeycutt (4-0), UFC vet Roan Carneiro (16-9), and “TUF 11? semifinalist and KOTC vet Josh Bryant (14-4).

Larson, who went 3-3 in the UFC (and 4-1 in the WEC), is 8-4 since his most recent UFC stint. He’s bounced between the welterweight and middleweight divisions while scoring wins over the likes of Melvin Manhoef and Eduardo Pamplona.

The 36-year-old brings a proven submission game to the tourney; in 37 career wins, he’s tapped out 26 of his opponents.

Opening-round matchups for the tourney will be randomly drawn at the show’s official weigh-ins. Broadcast plans are expected to be announced shortly.