He played college football at Tulsa, and was signed by the Carolina Panthers as an undrafted free agent in 2016.

[2] On October 23, 2015, Garrett caught 14 passes for an American Athletic Conference record 268 receiving yards.

[5] On September 3, 2016, he was waived by the Panthers as part of final roster cuts and was signed to the practice squad the next day.

[6][7] After spending the entire season on the practice squad, Garrett signed a reserve/future contract with the Panthers on January 2, 2017.

[19] His cousin, David Mims, played at Baylor, and was signed as an undrafted free agent by the Atlanta Falcons.