He played college football at Florida Atlantic and was signed by the Atlanta Falcons as an undrafted free agent in 2016.

[4] In the 2016 season, Neasman and the Falcons reached Super Bowl LI, where they faced the New England Patriots on February 5, 2017.

[9] In Week 15 against the Tampa Bay Buccaneers, Neasman recorded his first career sack on Tom Brady during the 31–27 loss.

[14] On January 12, 2022, Neasman was signed to the Los Angeles Rams practice squad.

Neasman won Super Bowl LVI when the Rams defeated the Cincinnati Bengals.