Skip Holtz has been fired after three seasons at South Florida, sources said Sunday. Holtz was 16-21 at USF, including 5-16 in Big East play. This season, the Bulls, picked second in the Big East's preseason poll, went 3-9 (1-6 in the Big East). It was the worst season in USF's 16-year history. In its last 16 Big East games under Holtz, USF was 2-14.