Complex sentence: He fell down the depth chart after returning from the leg injury for his senior season as Keithen McCant became the Huskers' starting quarterback and would go on to win the 1991 Big Eight Offensive Player of the Year Award.
Split into simpler sentences: He fell down the depth chart after returning from the leg injury for his senior season as Keithen McCant became the Huskers' starting quarterback. McCant would go on to win the 1991 Big Eight Offensive Player of the Year Award.