O'Connor, 21, has spent the last three seasons at the University of Denver, where he was slated to be team captain for the upcoming 2018-19 campaign. The Calgary, Alberta, native helped DU capture the NCAA championship as a sophomore in 2016-17, appearing in all 44 games that year (7g/11a). O'Connor dressed in all 41 games as a junior this past season (2017-18), registering 21 points (7g/14a) while leading the Pioneers with two short-handed goals. The 6-foot, 179-pound right wing finished his college career with 43 points (16g/27a) in 108 games, winning a NCHC regular-season championship (2016-17) and tournament championship (2017-18), to go along with his national title.