Lubbock Christian took a 1-0 lead in the 15th minute with a goal from Katlyn Settle but Amanda Vinsant scored to knot the score with 10:33 left in the first half.
Courtney Anderson scored 3:18 into the second half for a 2-1 Lady Bison lead, only to have Stacy-Ann Johnson tie the score at 2-2 67 seconds later. Anderson sent in a shot off of a deflection two minutes after that to give OBU a 3-2 edge.
Johnson tied the game for the Lady Chaps with 20 minutes left in regulation.
The match was scoreless form there until the goal by Brito with 4:18 showing on the second overtime clock.
Now 2-1 in the SAC and 3-7 overall, the Lady Bison return to action Saturday morning with an 11 a.m. match at Wayland Baptist.