With their last pick in the 2015 NFL draft, the Washington Redskins selected Reiter in the seventh round with the 222nd overall pick.[3] He signed a four-year contract with the team on May 8, 2015.[4][5] He was waived on September 4 before the start of the regular season,[6] but signed to the practice squad on September 29.[7]
He signed a futures contract on January 11, 2016.[8] He was released by the Redskins on September 13, 2016.[9] He was re-signed to the teams' practice squad the next day.[10]
Cleveland Browns
On September 20, 2016, Reiter signed with the Cleveland Browns' active roster.[11] On October 2, he started his first game for the Browns but suffered a season-ending ACL tear during the contest.[12] He was placed on injured reserve on October 10, 2016.[13]
Reiter was waived by the Browns on September 2, 2018.[14]
Kansas City Chiefs (first stint)
On September 3, 2018, Reiter was claimed off waivers by the Kansas City Chiefs.[15] He signed a two-year contract extension with the Chiefs on December 6, 2018.[16]
In 2019, Reiter was named the Chiefs starting center and started every game including the playoffs. He won Super Bowl LIV when the Chiefs defeated the San Francisco 49ers 31–20.[17]
New Orleans Saints
On September 15, 2021, Reiter was signed to the New Orleans Saints practice squad. On September 18, 2021, Reiter was promoted to the Saints active roster for the game against the Carolina Panthers.[18]
Miami Dolphins
On October 5, 2021, Reiter was signed by the Miami Dolphins off the Saints' practice squad.[19] He started five games at center due to injury before being released on December 14.[20]
Los Angeles Rams
On December 18, 2021, Reiter was signed to the Los Angeles Rams practice squad, but was released three days later.[21]
Kansas City Chiefs (second stint)
Reiter signed with the Chiefs on March 24, 2022.[22] He was released on May 6, but re-signed four days later. He was released on August 30, 2022, and signed to the practice squad the next day.[23][24] Reiter won his second Super Bowl ring when the Chiefs defeated the Philadelphia Eagles in Super Bowl LVII.[25] He signed a reserve/future contract on February 15, 2023.[26]
On August 29, 2023, Reiter was released by the Chiefs and re-signed to the practice squad.[27][28] Reiter won his third championship when the Chiefs defeated the 49ers in Super Bowl LVIII.[29]