Katy Perry recently revealed her obsession for a college football star who is 10 years younger to her during her appearance on ESPN TV show.
The 'Roar' hitmaker, who recently appeared on ESPN 'College Gameday', asked Oklahoma quarterback Trevor Knight to call her at the earliest, TMZ.com reported.
The 29-year-old songstress was seen holding a heart-shaped sign featuring Knight's pic and urged him to hit on her.
