Caleb Williams rushed for three touchdowns before running for a two-point conversion in the third overtime, and No. 9 Southern California's defense stopped Arizona's final attempt in a wild 43-41 victory Saturday night.
Williams passed for 219 yards and three touchdowns for the Trojans (6-0, 4-0 Pac-12), who botched a 25-yard field goal attempt on the final snap of regulation after Williams led a 59-yard drive in the final 2:08
The Heisman Trophy winner shook it off and coolly led USC to scores on each of its three overtime possessions. USC called an unorthodox play for the two-point attempt in the third OT, with the entire offensive line shifting out before Williams took the snap and ran the other way, stretching the ball to the pylon.
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The Trojans' defense finished it when linebacker Mason Cobb led a stop of D.J. Williams behind the line.
Noah Fifita passed for 313 yards and threw two of his five touchdown passes to Jacob Cowing in overtime, but the Wildcats (3-3, 1-2) blew an early 17-point lead and fell just short of a signature victory under third-year coach Jedd Fisch.
