Warren had three goals, 17 assists, 35 PIMs and a +21 plus/minus through 47 games with Gatineau (QMJHL) in 2022-23 and has signed a three-year, entry-level contract with the Anaheim Ducks. The 19-year-old defenseman was Anaheim's 2022 second-round pick (42nd overall) and is expected to suit up for Victoriaville (QMJHL) in 2023-24.