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Bill Pascrell, a U.S. Congressman from New Jersey, sent a letter Tuesday to Big Ten commissioner Jim Delany asking him to investigate Michigan's handling of quarterback Shane Morris in the Minnesota game last Saturday.

Pascrell, according to a story on CBSSports.com, wants the Big Ten to issue penalties for violations of concussion protocols. He is co-chair of the Congressional Brain Injury Caucus.

Morris was diagnosed with a "probable mild concussion" according to a statement by Michigan athletic director Dave Brandon after a hard hit in the fourth quarter. Morris remained in the game for the next play, although he appeared to have difficulty standing and required assistance. Morris also has a high left ankle sprain.

Brandon's statement was released at about 1 a.m. Tuesday.

"I strongly urge you to investigate the circumstances surrounding Shane Morris's injury and the decision to return him to play," Pascrell wrote in the letter. "Additionally, I ask that you reexamine the protocols in place and determine what changes can be made to improve them. I also urge you to establish penalties for violations of concussion protocols. Every concussion is brain damage and must be diagnosed and treated by appropriate medical personnel who prioritize players' health, safety and well-being."