Grubbe had 18 goals, 49 assists, 71 PIMs and a +10 plus/minus through 64 games with the Red Deer Rebels (WHL) this season and has had his rights traded from the New York Rangers to the Edmonton Oilers for a 2023 fifth-round pick. The 20-year-old has yet to sign an NHL contract but is expected to after spending three years as Red Deer's captain.