Original sentence: Griffin returned to the lineup on 2/28/09 and the Sooners returned to their winning ways defeating Texas Tech by 15 in Lubbock on 2/28/09, before losing on the road to Missouri and finishing the regular season by sweeping in-state rival Oklahoma State, who had won 7 of their previous 8 games
Edited sentence: Griffin returned to the lineup on 2/28/09 and the Sooners returned to their winning ways defeating Texas Tech by 15 in Lubbock on 2/28/09, before losing on the road to Missouri and finishing the regular season by sweeping in-state rival Oklahoma State