[3] McMillan was rated as a 4-star recruit and he committed to play college football at the University of Washington, over offers from schools such as Notre Dame and Alabama.
[5] In his sophomore season, McMillan's production would increase, as he led the team in receiving yards with 470 while hauling in three touchdowns and 39 catches.
[11] The Buccaneers selected McMillan with the pick that was traded from the Detroit Lions in exchange for Carlton Davis.
[12] In his NFL debut, McMillan scored a 32-yard receiving touchdown in the 37–20 win over the Washington Commanders in Week 1.
[13] In Week 14 of the 2024 season, McMillan scored 2 touchdowns en route to a Buccaneers win over the Raiders.