"We're disappointed to see Adonis leave Northwestern," said Fitzgerald. "He is an outstanding young man and we wish him nothing but the best in his future endeavors."
Smith, a native of Oakland, Calif., and a product of Junipero Serra High School, was Northwestern's fourth-leading rusher in 2011. He posted 266 yards and four touchdowns, though he played in just eight games. As a true freshman, Smith averaged 4.8 yards per carry in nine games, including one start.