Steven Sipple: Nebraska shows some bite against Purdue but needs much more from run defense as rugged terrain lies aheadby:Steven Sipple•10/16/22•steven_sippleRead In AppWEST LAFAYETTE, IN - OCTOBER 15: Purdue Boilermakers linebacker Jalen Graham (6) sacks Nebraska Cornhuskers quarterback Casey Thompson (11) causing a fumble during the college football game between the Purdue Boilermakers and Nebraska Cornhuskers on October 15, 2022, at Ross-Ade Stadium in West Lafayette, IN. (Photo by Zach Bolinger/Icon Sportswire via Getty Images)