
What’s Dwayne Johnson rocking inside the gym these days? Check out this pic spotted of The Rock paying tribute to one of the boxing world’s greats while sporting the Roots of Fight Ray “Boom Boom” Mancini T-Shirt. From MMA fighters to pro wrestlers, it seems like everyone is wearing Roots of Fight these days, even “The Great One”. Take a look at the WWE superstar / Hollywood actor below working up a sweat while representing in one of the latest styles from the Summer 2013 Roots of Fight T-Shirt collection.

Source: Dwayne Johnson Twitter @TheRock
