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* UC IRVINE (14-2, 6-0) at CAL POLY SAN LUIS OBISPO (6-10, 0-5), 7 p.m., KUCI-FM (88.9)--Irvine and Utah State, which hosts Idaho tonight, sit atop the Big West Conference standings with unbeaten records and appear to be steaming toward their game Wednesday in Irvine. San Luis Obispo has lost eight of its last nine. San Luis Obispo committed 18 turnovers in an 85-77 home loss to Cal State Fullerton Thursday. Irvine got a season-high 20 points from senior forward Sean Jackson in a 66-56 victory at UC Santa Barbara.