Aberdeen have signed Gary Mackay-Steven on a two-year deal.
The 26-year-old joins from Scottish Premiership champions Celtic after spending two years at the Glasgow club.
He should be available for the Europa League game with Bosnian side NK Siroki Brijeg.
The wide player, who will be given squad number 11, becomes Derek McInnes’ fifth signing of the summer so far.
He will join fellow new boys Greg Tansey, Ryan Christie, Greg Stewart and Nicky Maynard in the dressing room.
More to follow.