Celtic sign Hayes from Aberdeen

FILE PHOTO: Football Soccer - Aberdeen v Celtic - Ladbrokes Scottish Premiership - Pittodrie Stadium - 3/2/16 Aberdeen's Jonny Hayes (C) scores their first goal. Action Images via Reuters / Graham Stuart. Livepic

LONDON (Reuters) - Scottish champions Celtic have signed Aberdeen's Irish international forward Jonny Hayes, who scored against them in the Scottish Cup final last month.

The former Leicester City player worked with Celtic's manager Brendan Rodgers while they were together at Reading.