Griffith spent four years at Indiana State where in 44 career games, registered 382 tackles (200 solo), 28.5 tackles for loss, 14.0 sacks, three interceptions, nine passes defensed, four forced fumbles and three fumble recoveries, finishing his career with six All-American honors, which tied for the most in program history.
[1] On April 25, 2020, Griffith was signed by the San Francisco 49ers as an undrafted free agent[3] and was waived on August 20.
[4] On October 7, 2020, Griffith was signed by the Indianapolis Colts to the practice squad and was released six days later.
[10] After an impressive showing, 13 appearances and 4 starts, during the 2021 season; Denver tendered Griffith an exclusive-rights free agent offer.
[12] On August 3, 2023, it was announced that Griffith had suffered a torn ACL in practice and would miss the entire 2023 season.