By: Mike Vukovcan

Pittsburgh (KDKA)- The Pitt Panther running back depth chart is changing by the week.

Two weeks ago, Zach Brown transferred in from Wisconsin and tonight it appears as though a freshman back is leaving.

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Chris Peak of Pantherlair.com is reporting that Jeremiah Bryson has withdrawn from Pitt and will enroll at Middle Tennessee State University.

He wants to help care for his ailing mother

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Read more: Pitt running back leaves to care for mom – Pittsburgh Tribune-Review http://www.pittsburghlive.com/x/pittsburghtrib/sports/college/pitt/s_745977.html#ixzz1RcHFsbjw

The 3-star back from Tennessee was one of a handful of holdovers from former head coach Dave Wannstedt’s recruiting class.

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Pitt now has six backs on the depth chart: Ray Graham, Brown, Corey Davis, Malcolm Crockett, and Isaac Bennett and Derrick Burns.