Plitt redshirted his true freshman season at Ball State. He mostly served as the Cardinals' backup during the following two seasons.[4] Plitt passed for 2,918 yards and 24 touchdowns with seven interceptions as a redshirt junior.[5] He completed 65.6% of his pass attempts for 2,164 yards and 17 touchdowns to six interceptions in eight games during the team's COVID-19-shortened 2020 season and was named second-team All-Mid-American Conference (MAC).[6] Plitt was named the Offensive MVP of the 2020 MAC Championship Game after completing 20 of 32 pass attempts for 263 yards and three touchdowns and also rushing for a touchdown in the Cardinals' 38–28 win over Buffalo.[7] He was also named the MVP of the 2020 Arizona Bowl as Ball State beat 22nd-ranked San Jose State 34–13 in the first bowl game win in program history.[8]
Plitt decided to utilize the extra year of eligibility granted to college athletes who played in the 2020 season due to the coronavirus pandemic and return to Ball State for a sixth season.[9] In his final season, he passed for 2,541 yards and 18 touchdowns while also rushing for 131 yards and two touchdowns.[10]
Plitt went unselected in the 2022 NFL draft and participated in minicamps as a tryout player for several teams, including for the Cincinnati Bengals in May 2022.[13] The Bengals eventually signed him as an undrafted free agent on July 27.[14] In the team's preseason opener against the Arizona Cardinals, Plitt completed all six of his pass attempts for 76 yards and one touchdown to register a perfect passer rating of 158.3.[15] Plitt was waived by the Bengals on August 23, 2022.[16]
Arlington Renegades (first stint)
Plitt was assigned to the Arlington Renegades of the XFL on November 15, 2022.[17][18] He was placed on the reserve list by the team on April 3, 2023,[19] due to a knee injury.[20] He finished the season with five games played, three starts, 63 completions for 100 attempts, 668 passing yards, three touchdowns, five interceptions, and a 71.6 QBR. He was activated off of the reserve list on May 16, 2023.[19] He was released from his contract on November 20, 2023.[19]
Cincinnati Bengals (second stint)
After a season ending injury to Joe Burrow, the Bengals signed Plitt to their practice squad on November 20, 2023.[21] He was not signed to a reserve/future contract after the season and thus became a free agent when his practice squad contract expired.[22]
Arlington Renegades (second stint)
On February 8, 2024, Plitt re-signed with the Renegades.[23] He was released on March 10, 2024.[24]