2015: Sullivan, a one-time walk-on who received a scholarship in the fall of 2015, will serve as a reserve walk-on junior quarterback and once again will be USC's holder on placekicks in 2015.
2014: Sullivan appeared in all 13 games in 2014 as USC's holder on placekicks and handled that role smoothly as a walk-on sophomore (he did not see any action at quarterback).
2013: Sullivan did not see any action as a reserve walk-on redshirt freshman quarterback in 2013. He won USC's Offensive Service Team Player of the Year Award. He also played baseball at USC in the spring of 2013.
2012: He redshirted a reserve walk-on quarterback as a first-year freshman in 2012.
TRACK: He threw the javelin on USC's track and field team in the spring of 2015. He was fifth at the UCLA dual (176-10) and 15th at the Pac-12 Meet (173-11).
BASEBALL: He appeared in 26 games (starting 7) as a freshman infielder/outfielder on USC's baseball team in 2013. Overall, he hit .267, with 8 hits, 4 runs, 4 RBI and 2 stolen bases. He handled all 31 fielding chances without an error.
HIGH SCHOOL: Sullivan completed 100-of-138 passes (72.5%) for 1,193 yards with 7 TDs and 2 interceptions as a 2011 senior quarterback at Orange (Calif.) Lutheran High and he ran for 142 yards on 40 carries (3.6 avg.). He was All-Trinity League second team in 2011.
PERSONAL: He is a business administration major at USC. His father, Joe, played soccer and baseball at Air Force. His brother, Shane, was a walk-on senior tight end at USC in 2013 who previously played at Wyoming and Mt. San Antonio Junior College.