Former Sunderland defender Steven Caldwell admits working with Manchester United legend Roy Keane was a big disappointment.

Now skipper of Toronto FC, Caldwell discusses playing for Keane at Sunderland with his TFC teammate Jeremy Brockie in an interview the Kiwi did for

"Roy Keane was one of the major disappointments for me in my career. I idolized him as a player. Sometimes as a manager I thought he had some great ideas and focus and then I felt he would become sidetracked and petty about things that weren't as important. Ultimately our relationship broke down and I moved on."

Click here to check out the full interview between Brockie and Caldwell.