LEXINGTON, Ky. >> Isaac Hamilton scored 19 points, T.J. Leaf had 17 with 13 rebounds and No. 11 UCLA shot 53 percent to beat No. 1 Kentucky 97-92 on Saturday, its second upset of the top-ranked Wildcats in as many years.The Bruins (9-0) matched their season scoring average to win this showdown of college basketball's winningest schools in their first-ever visit to Rupp Arena, and end the Wildcats' 42-game home winning streak.