Stillwater, Okla. — Oklahoma State scored four runs in the bottom of the sixth to rally past Kansas University, 8-3, and complete a sweep of the three-game Big 12 Conference baseball series on Sunday at Reynolds Stadium.

OSU (32-11 overall, 14-7 Big 12) won its ninth straight. KU fell to 25-22 and 5-13.

Casey Larson had two hits - including his solo home run to lead off the game - and Tony Thompson also had two hits.

It was the third time this season KU was swept in a Big 12 series.