Tony Nelson took his time exiting the locker room after Minnesota’s dual against No. 1 Penn State on Sunday. Nelson exchanged pleasantries with fans, posed for pictures and signed autographs for young admirers — all of whom watched the two-time NCAA heavyweight champion wrestle at the Sports Pavilion for the last time. He surely gave them something to remember. An announced crowd of 5,603 packed the Pav to the rafters, with more than half of those fans showing up at least an hour early.