Big Ten class rankings analysis 

October, 2, 2013
10/02/13
2:00
PM ET


From Wisconsin moving up in the polls to a few schools moving down, it was a busy week in the Big Ten and the class rankings reflect that.

Here’s a look at what conference recruiting writers Brad Bournival and Tom VanHaaren saw and some trends to follow in the upcoming weeks:
ESPN Sport Science - Randy Gregory Ruins A Tackling Dummy
NFL Draft prospect Randy Gregory delivered a hit that knocked the head of a tackling dummy, one of the hardest hits ever measured in the lab. To see more of how Gregory fared, check out the ESPN Sport Science draft combine special on April 23.
VIDEO PLAYLIST video