Larkin, 25, originally signed on with the Cowboys as an undrafted free agent out of Purdue back in 2018. He lasted just a few months in Dallas before being waived coming out of the preseason.
The Falcons later signed Larkin to a contract last year and eventually added him to their practice squad. He was on and off of the unit last season before being waived a few weeks ago.
In 2019, Larkin appeared in two games for the Falcons and recorded one tackle.
During his college career at Purdue, Larkin appeared in 18 games and recorded 42 tackles, 2.5 sacks, and a forced fumble over the course of two seasons.