© Ron Elkman

Garth Brooks Nominated to #Flex4Forces

May 31, 2017

Have you heard of the #Flex4Forces challenge? Well, former NFL star Brett Favre has challenged country superstar Garth Brooks to take his turn.

Challenge accepted. Brooks shared the photo while at the gym to support the #Flex4Forces campaign. Favre was challenged by Tim McGraw and now Brooks has nominated professional tennis player Serena Williams.

To show your strength, all you have to do is share a photo of yourself striking the best flex pose and tag the USO using #Flex4Forces.