Marcus Denmon scored 17 points to lead five teammates in double figures and No. 3 Missouri avenged an earlier defeat with an 83-65 rout over Oklahoma State on Wednesday night.
Ricardo Ratliffe and Michael Dixon both had 15 points and Kim English and Phil Pressey scored 13 apiece for Missouri (24-2, 11-2), which is tied with Kansas for first place in the Big 12.
Keiton Page led Oklahoma State (12-14, 5-8) with 23 points.
Missouri held Cowboys freshman Le'Bryan Nash to 11 points after he torched the Tigers for 27 in a seven-point win in Stillwater in January.
A 23-4 run over 9 minutes in the first half helped Missouri put the game away.
The Tigers had an 8-rebound advantage, their first after being outrebounded by an average of more than nine boards the previous five games.