Penn State safety Zakee Wheatley recovers a fumble by Nevada running back Herschel Turner forced by defensive end Dani Dennis-Sutton during the third quarter. Joe Hermitt | jhermitt@pennlive.com Joe Hermitt | jhermitt@pennlive.comWho are the X factors in Saturday night’s Big Ten showdown between No. 3 Penn State and No. 6 Oregon at Beaver Stadium? In a game where both sides are loaded with big-time athletes at every position, you could make the argument everyone who participates is an X factor.