The Macclesfield Town boss feels Emery must shake up the squad.
“I think there's probably 10 players who aren't good enough," Campbell told talkSPORT.
“I'm not just blaming [Shkodran] Mustafi for what happened at Crystal Palace because I think it was a team thing, although he made a mistake.
“There are 10 players who Arsenal really need to look at getting out of the club."
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