Travis Kelce just offered up a pretty good excuse for not showing off his most chiseled physique while out in the Bahamas ... explaining his weight's up right now because, well, it's the heart of his offseason!
The Kansas City Chiefs star touched on his dad bod while having a conversation with his older brother, Jason, and new Eagles running back Saquon Barkley on the latest episode of "New Heights."

Saquon asked the bros of the two, who could drink more .