Cain led the Nittany Lions with 105 rushing yards and provided a much-needed spark to an otherwise pedestrian second-half offense.
Penn State sacked Purdue quarterback Jack Plummer 10 times and held the Boilermakers to -19 rushing yards on Saturday.
Shaw and Purnell are both seniors majoring in biology, and Shaw is double-majoring in psychology as well.
Need information on Saturday's Homecoming Game? We've got you covered.
Penn Staters gathered to guard the Lion Shrine and participate in one of the university's time-honored Homecoming traditions.
Stevens posted a photo of Beaver Stadium on his Snapchat story Friday evening.