Wayne Rooney hits back at Tom Brady: ‘I don’t think he really understood football’

• NFL legend queried Rooney's work ethic at Birmingham

• Comments were very unfair', former striker says

Wayne Rooney has bitten back at Tom Brady over comments aired in a recent documentary depicting their short spell working together at Birmingham.

Brady, the legendary NFL quarterback, winner of seven Super Bowls, is heard during Built In Birmingham: Brady & The Blues, to question then-manager Rooney. I'm a little worried about our head coach's work ethic," Brady tells his business manager Ben Rawitz. I mean, I don't have great instincts on that."