The Montreal, Quebec, native's QMJHL rights were acquired by Victoriaville from Gatineau June 10, 2023 for three QMJHL Draft selections. Warren's grandfather, Raynald Boutin, was a goaltender drafted by the Philadelphia Flyers in 1972, while his mother, Magalie, was a nationally ranked Canadian swimmer. His brother, Elie, will represent Saint John of the QMJHL in 2023-24.