Keane said: “There’s a part for mind games.
“Ferguson and Mourinho do it lots. I enjoy watching it and am relishing the challenge — the intensity. You need an edge.
“It can impact on how the team plays and you’ve seen that with Mourinho. It may not have worked last season but he does it well.
“And a lot of people underestimate Fergie. The mental side is massive. Before, Sunderland went up not believing they were there on merit.
“Now we respect but will not be in awe of any team.”
