Anthony Dell’Orso tied a season high with 22 points and No. 4 Arizona toppled second-ranked Houston 73-66 on Saturday to move into sole possession of first place in the Big 12 Conference. Arizona (25-2, 12-2), which opened the season 23-0, won its second straight game following consecutive losses to then-No. 9 Kansas and then- 16th-ranked Texas Tech, that knocked the team out of the No. 1 spot in the AP Top 25 poll. The Wildcats were down by two before scoring the next 12 points to make it 60-50 with about five minutes remaining. The Cougars missed eight consecutive shots and had three turnove...

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