Marquis Jacori Haynes Sr. (born December 16, 1993) is an American professional football linebacker.

Haynes attended University Christian School in Jacksonville, Florida and spent a year at Fork Union Military Academy.

[3][4] As a sophomore, he was named second-team All-Southeastern Conference after he started 12 of 13 games, finishing with 43 tackles and 10 sacks.

[9] In Week 3 against the New Orleans Saints, Haynes scored his first career touchdown in the first quarter.

After Frankie Luvu caused an Alvin Kamara fumble, Haynes returned the ball 44 yards for the score.