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.

Chris Peak of Pantherlair.com is reporting that Jeremiah Bryson has withdrawn from Pitt and will enroll at Middle Tennessee State University.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

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.

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