All values from Northwest Missouri State Pro Day[3]
Los Angeles Rams
After going undrafted in the 2015 NFL draft, Longacre signed with the St. Louis Rams on May 8, 2015.[4] He was waived by the Rams on September 5, 2015, and was signed to the practice squad the next day.[5][6] On November 6, he was promoted to the active roster.[7]
In the 2017 season, Longacre played in 14 games, recording 23 tackles and 5.5 sacks. He was placed on injured reserve on December 27, 2017, with a back injury.[8]
On April 16, 2018, Longacre sign his restricted free agent tender. He played 13 games in the 2018 season, finishing with 17 tackles and a sack.
Arizona Cardinals
On July 24, 2019, Longacre signed with the Arizona Cardinals.[9] After only four days on the team, he was released by the Cardinals.[10]