Despite his standing as a stalwart there for much of the past decade, the England international is said to feel as if he has been mistreated.
It is claimed that he believes Guardiola has wanted to replace him since the end of last season, something he was not informed about until reasonably recently.
The former Shrewsbury Town custodian has reportedly told friends he thinks the club did not inform him of the Spanish coach’s decision for fear of ‘keeping targets being priced at a much higher value.
It has been a bad summer for the two-time Premier League winner, who made a string of high profile errors for the Three Lions at Euro 2016.
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