Senior forward Jean-Paul Olukemi left Thursday's opening-round game in the Puerto Rico Tip Off with a left knee injury.
"It doesn't look so good for JP right now," coach Travis Ford told a radio station in post game.
Olukemi is coming off of a season-ending torn ACL that kept him out for most of last year, and was expected to return to form and be a viable option for Ford this year.
The senior injured his knee during the game, and remained on the bench with ice until its conclusion. No other details have been released.