Reidler, drafted by Ottawa in the fifth round of the 2022 NHL Draft, posted a .901 save percentage and 3.31 goals‑against average in 18 starts for Penn State during the 2025‑26 season.
He will play for the Senators’ AHL affiliate Belleville for the remainder of the 2025‑26 season before his NHL contract takes effect next year, becoming the fourth Penn State goalie to sign an NHL deal.