Markel Brown #22 of the Oklahoma State Cowboys brings the ball up during a game against the Missouri Tigers the quarterfinals of the Big 12 Basketball Tournament March 8, 2012 at Sprint Center in Kansas City, Missouri.
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STILLWATER, Okla. (AP) -- Markel Brown scored a season-high 23 points, Le'Bryan Nash added 20 and No. 20 Oklahoma State cruised to an 81-58 victory over Portland State on Sunday in its first game as a Top 25 team in five years.
Phil Forte chipped in 15 points and Marcus Smart had eight points and nine assists, the third-most for a freshman in Cowboys' history.
Already up by 18, Oklahoma State (5-0) put the game away with a 13-2 run to start the second half, giving the Cowboys a 53-24 lead. Brown connected on a runner and a 3-pointer and then punctuated the spurt by driving for a two-handed reverse dunk.
Portland State (1-3) was never closer than 20 after that.
Renado Parker and Michael Harthun led the Vikings with 12 points apiece. Top scorer Dre Winston Jr., a transfer from Washington State, missed all five of his shots and was held scoreless.
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