Creighton sophomore center Ryan Kalkbrenner will miss the rest of the NCAA Tournament, though coach Greg McDermott said the knee injury wasn't as significant as had been feared after he got hurt in the Bluejays' first-round win.

McDermott said Friday that Kalkbrenner had some damage in his left knee, but that it was not an ACL injury and will not require surgery. The Big East defensive player of the year will still need two to three months to recover from the injury.

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Ninth-seeded Creighton will try to get to the Sweet 16 for the second year in a row when it plays top-seeded Kansas in a second-round Midwest Regional game Saturday.

Ryan Kalkbrenner Creighton march madness

Team staff assist Creighton center Ryan Kalkbrenner (11) who suffered an unknown leg injury in a first-round game against San Diego State in the NCAA college basketball tournament in Fort Worth, Texas, Thursday, March 17, 2022.  (AP Photo/Tony Gutierrez)

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Kalkbrenner had 16 points and 10 rebounds before getting hurt in overtime against San Diego State on Thursday night. He had initially tried to get up, but then fell back on the floor and and was clearly in pain when he grabbed his knee. He put no weight on his left leg when he was helped off the court.

McDermott said Kalkbrenner is expected to be able to work out with his teammates this summer.