NCAA Despite offers from other
college ice hockey programs, Murchison committed to the
Arizona State Sun Devils for the
2021–22 season. Murchison played four years of college hockey with Arizona State, recording nine
goals and 24
points in 146 regular season games. At the conclusion of his college hockey career, the Flyers signed Murchison to a two-year, entry-level contract on March 26, 2025. He joined the
Lehigh Valley Phantoms, the Flyers'
American Hockey League (AHL) affiliate, for the remainder of the
2024–25 season. There, he had one goal and two points in four games. Murchison started the
2025–26 season with the Phantoms, recording one goal and four points in 21 games. On December 6, he was called up to the Flyers as a replacement for an injured
Cam York. Murchison made his NHL debut on December 9, 2025, against the
San Jose Sharks. Murchison returned to Lehigh on December 16 to make room for
Rasmus Ristolainen, who was coming off of injury reserve. ==International play==