He played college football at Arizona and was signed by the Buffalo Bills as an undrafted free agent in 2018.

He has also played for the Green Bay Packers, Indianapolis Colts, Houston Roughnecks, and St. Louis BattleHawks.

[1] He played rugby and discus throw in high school at the Afrikaanse Hoër Seunskool.

[4] On 27 November 2018 de Beer was signed to the Green Bay Packers practice squad.

[5] On 12 November 2019, de Beer was signed to the Indianapolis Colts practice squad, but was released three days later.