“Did we just become best friends?” Happy National Sibling Day! Who better to celebrate with than the undisputed kings of sibling rivalry, the Kelce brothers! Whether you bleed green for the Eagles or rock red for the Chiefs, we know deep down... you secretly love them both. ❤️💚 Rally House has all the gear you need to rep your favorite team (or both!) in style. Tag your favorite sports siblings in the comments! 👇 #RallyHouse #NationalSiblingDay #KelceBrothers #FlyEaglesFly #ChiefsKingdom #SiblingLove #FanForLife