By Dan Marsh Michael Beale has apologised after Sunderland fans lambasted the head coach for seemingly ignoring Trai Hume during their 2-1 loss against Birmingham City on Saturday. The Black Cats took the lead courtesy of Jack Clarke midway through the first-half at Birmingham, who are now managed by Beale’s predecessor, Tony Mowbray. However, Sunderland went back up north pointless following goals from Jordan James and Koji Miyoshi. Unfortunately for Beale things have only got worse for him after a clip of him giving Hume the cold shoulder has gone viral. The player walked out and put out his…