Big Ten Power Rankings: Spring Practice EditionBy Patrick Forrest | Mar 13, 2015PrevPrev13 of 15NextNextDec 27, 2014; San Diego, CA, USA; Nebraska Cornhuskers quarterback Tommy Armstrong Jr. (4) looks to pass during the first quarter against the USC Trojans in the 2014 Holiday Bowl at Qualcomm Stadium. Mandatory Credit: Jake Roth-USA TODAY SportsNext: No. 2 Michigan StateNextHome/Big Ten