2015: Mellstrom will serve as a reserve walk-on senior wide receiver in 2015.
2014: Mellstrom saw brief action in 4 games (Fresno State, Colorado, Washington State, Notre Dame) in 2014 as a reserve walk-on junior wide receiver, but he did not catch a pass.
2013: Mellstrom did not see any action in 2013 as a reserve walk-on sophomore wide receiver because he had to sit out the 2013 season because of NCAA transfer rules. He joined the Trojans in the 2013 mid-season after transferring from Virginia Tech in the fall of 2013.
VIRGINIA TECH: He was a walk-on wide receiver at Virginia Tech as a 2011 first-year freshman and 2012 redshirt freshman, but did not see any action.
HIGH SCHOOL: He earned 2010 Washington Post All-Met team, All-Cedar Run District and All-Northwest Region Group AAA as a senior wide receiver and kick returner at Loudoun Valley High in Purcellville (Va.). He had 48 receptions for 634 yards (13.2 avg) with 11 TDs in 2010, plus he rushed for 283 yards with a TD while serving as a team captain.
As a 2009 junior at South Carroll High in Sykesville (Md.), he was All-Carroll County and Small School All-State as he made 38 catches for 628 yards (16.5 avg) and 7 TDs. He also competed in track at Loudoun Valley and South Carroll.
PERSONAL: He is a business administration major at USC with a B+ average (3.43 GPA).