Well, those guys either graduated or cleared out. Suriano 133 the next year, and then back down to 125 with no Lee.
Keep in mind that for the Bresser loss, Lee was still working through his first ACL and wasn't even wearing an Iowa singlet.
RBY has certainly improved, and is an all-timer, although against better competition his primary strategy seems to be avoiding wrestling and then picking his spot. (No plural)