Inside NFL Training Camps & The Tweet of the Week Goes to the Mavs Dirk Nowitzki

Summary: Coverage of NFL training camps - Arizona Cardinals - Josh Rosen looks good, Rams - need to get Aaron Donald signed already, Las Vegas Raiders Playing in Oakland did something right by signing Jordy Nelson, Steelers - Antonio Brown, Browns - terrible owner and more on Dez Bryant. Plus the Tweet of the week goes to the Mavs Dirk Nowitzki.