Hannah Jump scored 20 points and No. 2 Stanford rallied from a 16-point first-half deficit to beat No. 13 Oregon State 66-57 in the Pac-12 Tournament semifinals Friday. The Cardinal outscored Oregon State 23-8 in the third quarter and held off a late surge by the Beavers. Stanford (27-4) will play for its 16th Pac-12 championship on Sunday against No. 5 Southern California, an 80-70 winner over No. 7 UCLA in double overtime in the second semifinal.