Taylor Swift says she had absolutely no clue how football was played before meeting Travis Kelce ... admitting she didn't even know the difference between offense and defense.
The "Bad Blood" crooner opened up about her pigskin knowledge on the latest episode of her boyfriend's "New Heights" podcast ... and she made it clear, the gridiron game was far from her forte.
Launch Gallery Launch Gallery GettyShe said on her first date with Kelce, she actually asked him what it was like to line up against his big brother, Jason, during Super Bowl LVII -- not realizing the two were offensive players.