By STEPHEN HAWKINS
AP Sports Writer

WACO, Texas (AP) - Second-ranked Baylor has won its 13th game in a row. The 14-1 Bears beat Iowa State 68-55 and are the only Big 12 team to make it through the first four conference games without a loss. Davion Mitchell had 17 points for Baylor. He hit three free throws in the final second of the first half, then made two 3-pointers early in the second half as the Bears started stretching the lead. Prentiss Nixon and Rasir Bolton both had nine points for Iowa State, which is 8-8 overall.

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