The Chelsea trio face punishment for actions following the shock 2-1 defeat to Sunderland last weekend - which was Mourinho's first home league defeat in 78 games at Stamford Bridge.
The club's record signing, who returned from injury at Hull last week, has found it hard to sustain his early season form but Mertesacker maintains he has what it takes to be a hit at the Emirates.
Former United defender Neville thinks the club are likely to go for a high-profile European coach, but doesn't think they need a "figurehead" to attract top players.
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