McGregor, 21, registered 27 goals and 41 assists for 68 points in 52 contests this season.
The OHL cancelled the remainder of its regular season Wednesday, which means the Sarnia Sting will not play their final six scheduled games.
All games suspended.
All games suspended until further notice.
The Provincial Junior Hockey League has cancelled the rest of the playoffs due to concerns over the COVID-19 pandemic.
The team was scheduled to host the Owen Sound Attack on Friday, and had six games remaining overall.
COVID-19 concerns have prompted sports leagues around North America to suspend play.
From the pros to OMHA, schedules are postponed until further notice.
Winnipeg moved into a wild-card spot in the Western Conference with a win over the Oilers in NHL action Wednesday.