They will end it by making NFL history in Super Bowl 57 on Sunday.
In a "mind-boggling" scenario, when Jason's Philadelphia Eagles face Travis' Kansas City Chiefs it will be the first time that brothers play against each other in the NFL's championship game.
"You realise it could happen, I don't think we ever thought it would though," said Jason. "It's got to be a lottery pick kind of probability."
During Super Bowl week in Phoenix, their mother Donna has become arguably as famous as her sons, speaking to media from around the world about the 'Kelce Bowl'.
