Baylor wins 81-58, No. 4 Kansas shares Big 12 AP 3/10/2013 1:30:18 AM (AP) Baylor wins 81-58, No. 4 Kansas shares Big 12By STEPHEN HAWKINSAP Basketball WriterWACO, TexasPierre Jackson had 28 points and 10 assists as Baylor finished the regular season with an 81-58 victory over Kansas on Saturday to keep the fourth-ranked Jayhawks from the outright Big 12 regular-season title.Cory Jefferson added 25 points for Baylor (18-13, 9-9 Big 12), combining his usual powerful dunks with his first three career 3-pointers.Even after their worst loss in seven years, Kansas (26-5, 14-4) will still be the No. 1 seed for next week's conference tournament in Kansas City, and now has at least a share of the last nine Big 12 regular-season titles. The Jayhawks had won the previous four outright, but have to share this one with rival Kansas State, which also lost Saturday.Ben McLemore had 23 points for Kansas, whose only lead came when the freshman made a layup only 5 seconds into the game.