A tough weekend for Illinois just got worse.

Emerging forward Morez Johnson Jr. is out indefinitely after breaking his wrist vs. Michigan State on Saturday.

Johnson, an Illinois native, was injured while making a spectacular block on Tre Holloman during the Illini’s 79-65 loss to the Spartans at State Farm Center.

Johnson was one of Illinois’ best players in the game, scoring 17 points and grabbing 5 rebounds to go with 2 steals and 2 blocks in 25 minutes.

Johnson won’t be available Tuesday when Illinois (17-9, 9-7 Big Ten) visits No. 11 Wisconsin (20-5, 10-4).

“I feel terrible for that young man,” Underwood told reporters on Monday. “What an incredible play. It’s one of the best I’ve seen in a long time. Unfortunately, that injury happened.”

Underwood said Johnson’s potential return date is uncertain.

“He fell, he hit the floor pretty hard and was tough enough to bounce up and just say, ‘Tape it,’” Underwood said. “That impacted a couple of his close misses at the rim as well late in the game. He’s in a cast. No timeline to that at this point. So, we’ll strap it up and have to move forward without his presence.”

Johnson’s minutes have been on the rise lately with Michigan State coach Tom Izzo routinely pointing him out as one of his favorite players on Illinois’ roster.

For the season he’s averaged 7.2 points and 6.6 rebounds per game.