Marcus Deshawn Allen (born August 7, 1996) is an American former professional football linebacker.

He was named after All-Pro and Super Bowl champion running back Marcus Allen.

3 on the FBS single-game list in 2016 (24 - Obi Melifonwu, UConn & Rodney Butler, NMSU).

[3] In 2016, Allen also blocked the field goal that Grant Haley would return for a touchdown to upset No.

[4] On January 17, 2018, Allen played in the 2018 Reese's Senior Bowl as part of Denver Broncos' head coach Vance Joseph's North team that lost 45–16 to the South.

At the conclusion of the pre-draft process, Allen was projected to be a third or fourth round pick by the majority of NFL draft experts and scouts.

[12] Allen was moved to linebacker for the 2020 season, and signed a one-year contract extension with the team on March 9, 2021.