Zimmer (6-3, 300) is a second-year player out of Ferris State and was a member of the Falcons' practice squad during the first 13 weeks of the 2019 season. He was originally signed by the Buffalo Bills as an undrafted free agent in 2016 and has been with the Falcons since 2018. Zimmer spent part of 2017 with the Montreal Alouettes of the Canadian Football League after being waived by the New Orleans Saints during final roster cuts. He's a native of Greenville, Mich. and will wear No. 99.