Coyle was speaking after defeat in the Community Shield to Manchester United.
He said: "I've no doubts David Moyes will be very successful. He will take Manchester United from strength to strength. He's replaced the best manager we've ever seen in club football but he was the right person for the job, no doubt about it. It's great for up and coming British managers to see a club like Manchester United going with David Moyes because he has earned that right.
"I was hoping he would be successful after today but I'm sure he will go from strength to strength."
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