Eagle-eyed fans have spotted Travis Kelce's subtle nod to his girlfriend, Taylor Swift, in photos of him carrying a gym bag. Swifties, the nickname given to the pop star's devoted supporters, highlighted that the Kansas City Chiefs tight end appeared to be carrying her book.

For most of the offseason Kansas City Chiefs' star tight end Travis Kelce and pop music icon Taylor Swift have kept a low profile.

The superstar duo sparked a frenzy both in the arena and across social media.