Las Vegas, NV (SportsNetwork.com) - Le'Bryan Nash netted a game-high 19 points as the Oklahoma State Cowboys bested the Oregon State Beavers, 66-53, as part of the MGM Grand Main Event at MGM Grand Garden Arena.

Phil Forte tallied 17 points for the Cowboys (5-0), who remain undefeated. Jeffrey Carroll and Anthony Hickey also reached double figures with 13 and 12 points, respectively. Oklahoma State will play Tulsa in Wednesday's title game.

Victor Robbins scored 16 points to lead the Beavers (3-1), who lost their first game of the season. Langston Morris-Walker and Gary Payton II added 13 and 10 points, respectively.

The Cowboys shot 45.5 percent from the field in the first half and held their opponent to a 31.8 percent mark, including just 1-of-7 from the perimeter, going up, 30-24, at the halfway point.

The Beavers improved slightly in the second half, shooting 35 percent from the floor, but that wasn't nearly enough to slow the Cowboys, who improved to 52.4 percent on field goal attempts and hit 11-of-17 from the free-throw line. The Cowboys led by as many as 17 points en route to the victory.

Oklahoma State outscored its opponent, 21-10, in points off turnovers.