Hayes left Aberdeen to sign for Celtic earlier this year.

It was a sight the Aberdeen fans were dreading, seeing Jonny Hayes take to the field against them wearing Celtic’s colours.
Hayes spent five years on Aberdeen’s books, helping the Dons to three straight second-place finishes and the Scottish League Cup in 2013.
But after losing out to Celtic in not only the Scottish Premiership but the final of the FA Cup, too, last season – despite scoring the opening goal at Hampden Park – it was a case of if you can’t beat them, join them, for Hayes.

Several English sides were believed to be interested in the Irish winger, but a chance to play under his former boss Brendan Rodgers at the reigning Scottish champions proved too hard to turn down.
Nevertheless, Hayes’ Celtic career has not quite gone to plan so far, with the 30-year-old making just five starts for the Bhoys in all competitions.
He was left out entirely as Celtic overcame Dundee at the weekend, but returned for the final 13 minutes of Wednesday’s win at the home of his former employers – who were already 3-0 down by that point.

And tweets like the one below were few and far between. Here’s how the Aberdeen fans reacted to Hayes’ return:
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