Selected in the fifth round (157th overall) of the 2022 NFL Draft by the Buccaneers.
Has appeared in 60 career games, making 42 starts — all for the Buccaneers — and recording 228 tackles (three for loss), 33 passes defensed, three interceptions, two forced fumbles and one fumble recovery.
Has appeared in four career postseason contests, making one start and compiling 12 tackles (one for loss) and one pass defensed.
Among cornerbacks who played 80% of their team's coverage snaps in 2024, McCollum ranked fourth in the NFL with a 58.7% completion rate allowed when targeted.
Ranked tied for third in the NFL in 2024 with 17 passes defensed.
Started at cornerback and played 74-of-76 defensive snaps in the Week 1 victory in Atlanta, recording 10 tackles (one for loss).
McCollum was targeted six times in Week 1, yielding just three receptions for 29 yards and generating a 63.9 passer rating when targeted.
Per Pro Football Focus, McCollum was Tampa Bay's highest-graded defender in Week 1.
In the Week 2 win at Houston, started at cornerback and played all 49 defensive snaps. Per Next Gen Stats, yielded a 50% completion rate when targeted.
Started at cornerback and played all 69 defensive snaps in the Week 3 win over the New York Jets, tallying nine tackles.
In Week 4 vs. Philadelphia, started at cornerback and played all 57 defensive snaps. Tallied four tackles.
In Week 4, McCollum yielded just one reception for three yards, limiting Philadelphia to a 56.3 passer rating when targeting him.
Started at cornerback and played all 61 defensive snaps in the Week 5 win at Seattle, finishing with three tackles and one pass defensed.
Was inactive for the Week 6 win over the 49ers.
In Week 7 at Detroit, started at cornerback and played all 68 defensive snaps, tallying five tackles.
Started at cornerback in the Week 8 win at New Orleans, playing all 72 defensive snaps and logging six tackles and two passes defensed. His two passes defensed marked his first game with multiple passes defensed since Week 18 of the 2024 season.
According to Pro Football Focus, was targeted 10 times in Week 8, yielding just three receptions for 21 yards and allowing a 39.6 passer rating when targeted.
In Week 10 vs. New England, started at cornerback and played all 61 defensive snaps, totaling five tackles and one pass defensed.
Started at cornerback and played all 56 defensive snaps in Week 11 at Buffalo, finishing with six tackles.
In Week 12 at the Los Angeles Rams, started at cornerback and played all 56 defensive snaps, totaling four tackles and one pass defensed.
Started at cornerback and played all 61 defensive snaps in the Week 13 win over Arizona, compiling five tackles.
In Week 14 vs. New Orleans, started at cornerback and played all 58 defensive snaps, finishing with two tackles, one pass defensed and one interception. Intercepted Tyler Shough in the second quarter to record his first pick of the season and the third of his career.
Started at cornerback in Week 15 vs. Atlanta, playing 24 defensive snaps before leaving with injury.
Was placed on Injured Reserve prior to Week 16 at Carolina.
Played in 56 games, making 52 starts, over five seasons at Sam Houston State (2017-21), recording 145 tackles (10 for loss), 54 passes defensed, 13 interceptions and six forced fumbles over his collegiate career.
Named third-team All-America by the Associated Press in his senior season in 2021, in addition to being named second-team All-America by Phil Steele and first-team All-WAC.
Invited to play in the Reese's Senior Bowl and the East West Shrine Bowl.
During his fifth and final season in 2021, McCollum produced 50 tackles, eight passes defensed, three interceptions and one blocked kick.
Earned first-team All-Southland honors in his true senior season (2020/21), appearing in 10 games and recording 46 tackles, seven passes defensed, two forced fumbles and one interception.
Received second-team All-Southland recognition in 2019, posting 23 tackles, 11 passes defensed, three interceptions and two forced fumbles in nine games played.
Garnered first-team All-Southland honors in just his second season at Sam Houston State (2018), starting all 11 games and finishing the season with 44 tackles, 11 passes defensed, three interceptions and two forced fumbles.
Played in 14 games as a true freshman, starting 10, intercepting three passes to become the first Sam Houston freshman with three-or-more picks in a season since 1973. McCollum added 42 tackles, a career-best 17 passes defensed and 1.0 sack.
Attended Ball High School (Galveston, Texas), where he was a team captain, team MVP and all-county performer. Ball High School is also the alma mater of Tampa Bay's all-time leading receiver, Mike Evans.
Has an identical twin brother, Tristin, who plays safety for the Las Vegas Raiders.