Philadelphia Phillies star Bryce Harper was spotted on the sidelines of Monday night's College Football Championship donning Ohio State gear. But why?

Benz Stadium to watch his beloved Ohio State Buckeyes play Notre Dame for the College Football Playoff championship.

Phillies star Bryce Harper is cheering on the Buckeyes at the national championship game, and he has a good reason.

Los Angeles Lakers superstar LeBron James and Philadelphia Phillies slugger Bryce Harper were in attendance for Monday night's College Football

Will Howard, Jim Knowles and Al Golden are just some of the ties the College Football Playoff National Championship has to.

Ohio State weathered a punishing Notre Dame opening drive with smothering defense for the majority of the College Football Playoff finale, but needed to squash a late rally to claim the crown Monday in Atlanta.

Philadelphia Phillies star Bryce Harper was out and enjoying his last weeks before spring training on Monday night, taking in the College Football Playoff champ

LeBron James was in attendance at Mercedes-Benz Stadium to watch his beloved Ohio State Buckeyes play Notre Dame for the College Football Playoff championship.

Philadelphia Phillies star Bryce Harper has been trending on social media this offseason. Harper, along with wife Kayla, watched the College Football Playoff National Championship.

LeBron James was in attendance at Mercedes-Benz Stadium to watch his beloved Ohio State Buckeyes play Notre Dame for the College Football ... Cavaliers. Philadelphia Phillies star Bryce Harper ...

Following kicker Jaden Fielding's field goal to stretch Ohio State lead to 11, the Buckeyes (14-2, 7-2 Big Ten) sideline celebrated in a frenzy, understanding that they were closing in on a national championship title against Notre Dame (14-2).

ATLANTA (AP) — LeBron James was in attendance at Mercedes-Benz Stadium to watch his beloved Ohio State Buckeyes play Notre Dame for the College Football Playoff championship Monday night.