Marsh revealed to talkSPORT that the Ivorian is unsettled.
"When you start to hear rumblings from within the camp, and you see the way Toure played last weekend [at Sunderland], when he was strolling around and didn't look interested, I'm wondering now if it will all go a little bit the other way.
"It looks like they're throwing billions of pounds at players but keep coming up short. I think this season could end in tears at Man City."
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