Prior to returning to his alma mater in January 2019, he served as the running backs coach for the Baltimore Ravens of the National Football League (NFL) for five seasons from 2014 to 2018.

[1] He attended Bishop Luers High School in Fort Wayne, Indiana before committing to Northern Illinois University (NIU) where he played running back from 1999–2002.

[2] As a player, Thomas Hammock rushed for 2,432 yards in 32 games under head coach Joe Novak, which ranks 13th all-time at NIU.

[2] To start his senior campaign, Hammock rushed for 172 yards on 38 carries to help propel the Huskies to a 42–41 overtime win over Wake Forest.

The most notable season being Montee Ball's 2011 campaign where he finished fourth in Heisman voting, breaking Barry Sanders’ single-season touchdown record with 39 total scores.

[7] On January 18, 2019, Hammock was named the 23rd head football coach at his alma mater, Northern Illinois University (NIU).