Amanda Thompson had 16 points and 14 rebounds, and made a layup on a baseline drive with 9 seconds left in overtime to lift No. 18 Oklahoma over Arkansas 87-86 on Saturday.

Danielle Robinson scored a career-high 31 points for Oklahoma (6-2), which had to survive shots by Arkansas' Lyndsay Harris and Ashley Daniels in the final seconds.

Oklahoma trailed 62-46 with 13 minutes left before Robinson fueled a comeback, scoring seven points and assisting on a 3-pointer by Nyeshia Stevenson during an 11-0 spurt that cut Arkansas' lead to 66-64 with 7:43 left.

Robinson also drove through traffic for a tying layup with three-tenths of a second left.

Sarah Watkins scored 18 points for Arkansas (5-2), which is playing nine of its first 12 games away from home and hadn't faced a ranked foe this season.