Jonny Hayes: Winger rejoins Aberdeen on two-year deal
Aberdeen say Jonny Hayes has made a "significant financial sacrifice" to rejoin the club on a two-year deal.
The 32-year-old Irish winger returns to Pittodrie after three years at Scottish Premiership rivals Celtic.
Hayes scored 30 goals in 207 games, and helped Aberdeen to 2014 League Cup success, in his first spell.
"Jonny's determination and willingness to return here is illustrated by his generous gesture to make it happen," said manager Derek McInnes.
"He has never hidden his love for Aberdeen, so it is no surprise to me that he was prepared to make a financial sacrifice in order to return. He returns undoubtedly a better player for his experiences."
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Republic of Ireland cap Hayes, who won six trophies with Celtic, is determined to bring silverware back to Pittodrie.
"I was more than happy to play my part by foregoing some financial gain and I am just thankful it was concluded positively," he said.
"I want to come back and win some winners medals. I think everyone associated with Aberdeen deserves it."
Hayes' arrival comes despite Aberdeen losing around £5m amid the coronavirus pandemic.
The club are "burning through" £1m per month, according to chairman Dave Cormack, and have begun talks with players, management and staff over temporary wage cuts.