Redknapp wrote in his column for the Daily Mail: "I don't think it's the end of Owen Hargreaves. At Old Trafford, they expect more of their players.
"He would need to be at 100 per cent all the time to be involved in a Manchester United shirt, but he might still have enough in the tank.
"If his body allows, he needs a manager who understands what he can do.
"A pay-as-you-play deal might suit him and, like Paul McGrath, maybe he too can prove there is life after Manchester United."