According to the Western Collegiate Hockey Association, Oliver “Butch” Mousseaux fell during warm-ups prior to the start of the second semifinal contest of the WCHA’s Final Five tournament.

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Mousseaux was taken to Mercy Health Saint Mary’s Campus in Grand Rapids. He remains in critical condition as of Saturday afternoon.

“Our thoughts, prayers and best wishes are with Butch, his wife, children and family during this difficult time,” read the statement, in part, from the WCHA.