CELTIC have signed Jonny Hayes on a three-year contract from Aberdeen.
Hayes, who opened the scoring against the Hoops in the Scottish Cup final last month before ending up on the losing side, has been a key player for the Dons since joining them from Inverness in 2012.
Irish internationalist Jonny Hayes signs for #CelticFC on a three-year deal. Welcome, Jonny!
— Celtic Football Club (@CelticFC) June 17, 2017
Ryan Christie will join Aberdeen from Celtic on a season-long loan.
The deals were announced on the Scottish Premiership champions’ official website.