Selected by the Buccaneers as a third-round pick (92nd overall) in the 2024 NFL Draft.
Has started 14-of-17 career games for the Buccaneers, bringing in 49 receptions for 639 yards and eight receiving touchdowns. Also added five carries for 44 rushing yards.
Has started his lone postseason contest, totaling two receptions for 41 yards.
Ranked second among all rookies in 2024 with eight receiving touchdowns. His eight TD catches were the third-most by a rookie in franchise history, trailing only Mike Evans (12 in 2014) and Mike Williams (11 in 2010).
In 2024, McMillan brought in at least one touchdown catch in the final five games (Weeks 14-18), tied for the second-longest such streak by a rookie in NFL history (trailing only Randy Moss, 7, in 1998).
Was 1-of-2 players to record a receiving touchdown in five-or- more straight games in 2024, joining the NFL's triple-crown winner in Cincinnati's Ja'Marr Chase.
Returned from injury to make his 2025 debut in Week 15 vs. Atlanta, starting at wide receiver and playing 32-of-69 offensive snaps. Finished with two catches for 38 yards.
Started at wide receiver in Week 16 at Carolina, playing 34-of-64 offensive snaps and recording two receptions for 15 yards. Also had one carry for one yard.
In Week 17 at Miami, played 35-of-67 offensive snaps and produced a then-career-best performance, bringing in a career-high 114 receiving yards on a career-best seven receptions.
Week 17 marked the first 100-yard receiving game of McMillan's career, with his previous high being 75 yards receiving on Dec. 15, 2024 at the Los Angeles Chargers. McMillan's 33-yard catch in the second quarter matched his career long.
Played 37-of-67 offensive snaps in the Week 18 win over Carolina, bringing in one catch for 11 yards.
Appeared in 38 career games for the University of Washington (2020-23), bringing in 164 receptions for 2,143 yards and 17 receiving touchdowns.
Dating back to 1996, he ranked among University of Washington program leaders in receptions (fifth), receiving yards (sixth), and receiving touchdowns (seventh) at the time that he was drafted.
As a redshirt junior in 2023, was limited due to injury but still appeared in nine games, bringing in 45 receptions for 559 yards and five receiving touchdowns.
McMillan led all players in the 2024 College Football Playoff National Championship game in receptions, with six, and scored the game's lone receiving touchdown.
Enjoyed his most productive collegiate season as a redshirt sophomore in 2022, when he received All-Pac-12 honorable mention recognition after playing 13 games and posting career highs in receptions (79), receiving yards (1,098) and receiving touchdowns (nine). He led the Huskies in both receptions and receiving touchdowns.
As a redshirt freshman in 2021, appeared in 10 games and finished with 39 receptions for 470 yards and three receiving touchdowns.
During his true freshman campaign in 2020, he saw action in three games and brought in one reception for 16 yards.
Hosted a holiday toy drive in Fresno, California, to support local children and inspire his hometown community.
Attended San Joaquin Memorial High School (Fresno, Calif.), where he played football, baseball, and track and field.
Was rated as the No. 38 overall prospect and No. 8 wide receiver in the country coming out of high school, as well as the No. 6 recruit in the state of California.
Was recruited by several schools to be a dual sport athlete, having been recruited for both football and baseball.
Qualified for the Junior Olympics in track and field in the eighth grade.