On June 24, 2016, Gettinger was selected 141st overall by the New York Rangers during the 2016 NHL Entry Draft. Gettinger entered the draft as the 65th ranked prospect.[2]
On March 16, 2017, the Rangers signed Gettinger to a three-year, entry-level contract.[3]
On October 12, 2017, Gettinger was named captain of the Sault Ste. Marie Greyhounds.[4]
Gettinger began the 2018–19 season with the Hartford Wolf Pack of the American Hockey League (AHL). He was recalled by the Rangers due to an injury to forward Mats Zuccarello on November 23, 2018, and played his first NHL game the next day with the Rangers.[5][6] He was returned to Harford after playing one game,[7] only to be recalled the next day.[8]
On July 22, 2022, Gettinger was re-signed to a one-year, two-way contract extension with the Rangers for the 2022–23 season. He recorded 13 goals and 22 assists in 52 games with the Hartford Wolf Pack of the AHL.[9]
On July 1, 2023, Gettinger signed a one-year, two-way contract with the Detroit Red Wings.[10] On March 11, 2024, the Red Wings re-signed Gettinger to a one-year, two-way contract extension.[11]