Jackson, a freshman who plays cornerback, receiver and kick-returner for the Trojans' football team, won the long jump with a leap of 25 feet 3 /12 inches. He became the first USC athlete to win the men's long jump since Brendan Ames in 2011.
Jackson also qualified for the 100-meter event by finishing third in his heat and sixth overall with a time of 10.53 seconds.
D.J. Morgan, a fifth-year senior who played tailback for the football team, won his heat in the men's 110-meter high hurdles with a time of 13.96 seconds to advance to Sunday's final.
USC's Conor McCullough won the men's hammer throw and Alexis Faulknor won the women's long jump.