Notre Dame trails Penn State 10-3 at halftime of the Orange Bowl, with a spot in the National Championship Game against the winner of tomorrow night’s Texas-Ohio State game on the line. But the Fighting Irish might be without starting quarterback Riley Leonard for the rest of the game.

Notre Dame star quarterback Riley Leonard returned in the third quarter of the Orange Bowl on Thursday after entering concussion protocol late the first half following a big hit. Leonard's brief absence injected some uncertainty for the 7-seed Fighting Irish in their College Football Playoff semifinal battle with 6-seed Penn State.

Notre Dame QB Riley Leonard suffered an injury vs. Penn State in College Football Playoff semifinal at the Orange Bowl.

Notre Dame quarterback Riley Leonard was ushered off the field by officials after a possible concussion in the Orange Bowl against Penn State, but returned.

Don't miss a second of tonight's Orange Bowl with breaking news & real time scoring updates from NBC Sports throughout the game!

Notre Dame quarterback Riley Leonard left the College Football Playoff semifinal at the Orange Bowl late in the first half and was being evaluated by the Fighting Irish’s medical staff.

Notre Dame quarterback Riley Leonard exited the second quarter of the College Football Playoff Orange Bowl semifinal game against Penn State with an apparent he

Here’s who’s on the call for ESPN’s broadcast of the College Football Playoff semifinals game between Penn State and Notre Dame.

Penn State was unable to corral Oregon’s offense in the Big Ten Championship though, allowing 496 total yards while dropping a 45-37 decision to the then undefeated Ducks. The Nittany Lions eviscerated SMU in the first round of the CFP Playoff,

Notre Dame football players and staff are dealing with a minor viral flu outbreak ahead of the team’s appearance against Penn State in the College Football Play