The Norwegian admits it is nice to see a familiar face, even if he best remembers Campbell for denying him a goal in his testimonial at United.
He said: "I did not manage Fraizer but I played with him at United.
"He took my moment of glory away from me in my testimonial. He went through on goal and instead of passing to me he scored himself. We won 1-0, but he never read the script, but it is good to see him again."
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