2017: Rossow will serve as a backup walk-on defensive tackle as a redshirt freshman in 2017.
2016: Rossow, who was a reserve defensive tackle as a walk-on first-year freshman in 2016, had surgery for a left shoulder injury in 2016 fall camp and was sidelined for all of 2016.
HIGH SCHOOL: He had 32 tackles, including 4.5 sacks, plus 2 deflections and a fumble recovery as a 2015 senior defensive lineman at Mater Dei High in Santa Ana (Calif.). Current Trojans Jonathan Lockett, Grant Moore and Frank Martin II also prepped at Mater Dei.
PERSONAL: He is a health and the human sciences major at USC.