Penn State football spring practice primer: Running backsby:Nate Bauer•03/05/24•NateBauerBWIRead In AppPenn State running backs Nick Singleton and Kaytron Allen lead the room this spring. (File photo by Scott Taetsch/Getty Images)The circumstances of the RB room at Penn State haven't changed from a year ago at this time with Nick Singleton and Kaytron Allen returning.