How long is Ryan O'Reilly out for? Injury details, return date, latest news on Maple Leafs forward

The Maple Leafs placed O'Reilly on long-term injured reserve.

source https://www.sportingnews.com/us/nhl/news/ryan-oreilly-injury-details-return-date-latest-news-maple-leafs/komajupoppvmo311qzkb0fgm