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Published 10:55 30 Jul 2015 BST
Updated 11:04 30 Jul 2015 BST

Keown also offers his thoughts on Chris Smalling and how a simple tactical move has revitalised the United defender’s game.
“Switching him from the left to the right side of defence has been critical because he needs to be on his right foot in possession. If he’s not it affects his whole game.
Towards the end of the season he played for England on his left side and I saw the same old indecision return.”