Running back Ty Isaac (Joliet, Ill./Joliet Catholic) has committed to USC, picking the Trojans over numerous offers from across the country, including Georgia, Michigan, Ohio State, Oklahoma and Notre Dame.

Isaac is ranked 68th on the ESPN Recruiting top 150. Rivals rates Issac as the No. 18 player in the nation and Scout has him ranked 12th.

Isaac, who could also play linebacker, is a power back at 6-foot-2, 215 pounds, but he also has good speed and elusiveness, according to his ESPN evaluation. Last winter, Isaac rushed for 516 yards and six touchdowns in the state championship game. As a junior, he rushed for 2,114 yards -- 11.9 yards per carry -- and scored 45 touchdowns.

Isaac is the Trojans' sixth commitment. They can only sign 15 players due to NCAA sanctions.