They were sinking like a stone before he left dude, if anything they should have sacked him earlier. Biggest mistake Stoke made was replacing him with Lambert, that one was never going to work, stupid choice.
Feel like he may have been able to turn it around at some point. Just going off the past.
He's absolute bobbins in the transfer market, though. His Man City purchases were horrific and Kevin Wimmer at 18 million pound is a really really bad buy.