FAYETTEVILLE, Ark. -- C'eira Ricketts scored 21 points and Lyndsay Harris added 18, leading unbeaten but unranked Arkansas to a 67-57 victory over No. 12 Oklahoma on Sunday.
Arkansas (11-0) used a 10-0 run late in the second half to take the lead for good in a game that featured nine ties and seven lead changes.
Harris' step-back 3-pointer with 6:39 remaining started the stretch and gave Arkansas a 49-48 edge. Those were the first of eight straight points for Harris.
Ricketts, also a junior guard, added five steals and four assists as Arkansas beat its first ranked opponent in two years.
Oklahoma pulled within 61-55 on Morgan Hook's 3-pointer with 1:41 remaining, but got no closer. Arkansas hit nine of 13 free throws after taking the lead.
Danielle Robinson scored 20 points for the Sooners (9-2).