In an October scrimmage just before the start of the season, Jontay tore his ACL and MCL while damaging a number of other parts of his right knee. Feeling good and wanting to return in time for the 2019 NBA Draft, Jontay re-tore his ACL and MCL in late March progressing to dynamic movements before he’d been fully cleared.
https://www.sportsnet.ca/nba/article/youre-gonna-play-again-jontay-porters-arduous-road-back-to-the-nba/