University of Nevada Las Vegas

UNLV: An emerging star at linebacker who is an honors candidate as a senior ... Named to the 2025 Preseason All-Mountain West Team ... Named 2025 Preseason First Team All-Mountain West by Athlon and Second Team by Phil Steele ... Chose UNLV over offers from Air Force, Arkansas State, Baylor and Georgia Tech … A 2022, ‘23 and '24 Academic All-Mountain West honoree who was a member of the UNLV Dean’s Honor List in spring 2024.

2025:

• Logged 10 total tackles (one TFL), along with a pass breakup, a fumble recovery and the game-sealing interception against Miami (OH)
• Registered seven total tackles and one pass breakup in a win over UCLA
• Earned his first career interception while posting six total tackles, including one sack in the season-opening victory over Idaho State

2024: Appeared in nine games, starting in eight … Finished the season with 46 total tackles, 7.5 tackles-for-loss, two sacks and four pass breakups.

• Posted a season-best 13 total tackles, along with two TFL in the LA Bowl victory over California
• Recorded a season-best 2.5 TFL in the season-opening win at Houston
• Posted eight total tackles, including one sack and one pass breakup in a win at Hawaii
• Had two pass breakups in a victory over San Jose State
• Named 2024 Preseason Second Team All-Mountain West by Athlon and Fourth Team by Phil Steele

2023: Started all 13 games he appeared in and was Honorable Mention All-MW as a sophomore ... Named Mountain West Defensive Player of the Week on November 20 after totaling 15 tackles and forcing a fumble to help the Rebels win at Air Force ... Ranked second on the team with 89 total tackles, including 2.5 TFL ... Followed up his effort vs. the Falcons with a dozen takedowns vs. SJSU ... Had one eight-yard sack in victory vs. Hawai’i ... Added a PBU at Michigan and at Fresno State.

2022: Earned his first letter as a Rebel by appearing in 10 games, including making his first collegiate start against Air Force … Finished with 12 total tackles … Made his collegiate debut with two tackles, including one TFL, in the season-opening win over Idaho State.

2021: Redshirted season.

HIGH SCHOOL: A 2021 graduate of Grand Prairie HS … A three-year letterwinner under coach Brent Whitson … Rated as a three-star prospect and the No. 56 inside linebacker in the nation by ESPN and No. 68 by 247Sports … One of six Rebel signees in his class from the state of Texas … Played linebacker and running back during prep career … First team all-league selection in 2019 and 2020 … Also competed in basketball for the Warriors.

PERSONAL: Marsel Lamar McDuffie was born in South Grand Prairie, TX … The son of Mark and Lynette McDuffie … Has two siblings, Will and Marquel … In graduate school.