Baylor's Brady Heslip hit two critical three-pointers in the final 2:05, helping Baylor hold off Kansas in an 81-72 victory on Friday night in the semifinals of the Big 12 tournament in Kansas City, Mo.
KU trailed by as many as 14 in the second half before using a 23-7 run to take a 58-56 lead with 10:18 left.
The Bears answered with a 25-12 spurt to end the game, which included Heslip's threes that pushed BU's lead from three with 2:03 left to seven.
Tyshawn Taylor led KU with 20 points. Thomas Robinson contributed 15 points and nine rebounds, while Elijah Johnson also added 15 points.
Perry Jones III led Baylor with 18 points and seven rebounds.
KU (27-6) will learn its destination in the NCAA Tournament on Sunday.