Louis van Gaal
Pros
The favourite to take over at United due to his impressive CV and the fact he will be out of a job come the end of the 2014 World Cup.
Van Gaal has won league titles in Spain, Germany and the Netherlands and also lifted the Champions League with Ajax in 1995.
Cons
Is known as an arrogant and difficult figure to work with and whilst the 62-year-old may bring discipline, could also rub players up the wrong way.
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