You've seen him on Garth Brook's tour. You've heard he wrote Garth's single "Ask Me How I Know." You saw him perform with Garth on the CMA Awards when the legend walked away with the Entertainer of the Year Award. But what do you REALLY know about Mitch Rossell? This should give you a little peek into what life has been like since the GOAT of country music took Mitch under his wing.