Kilmarnock will start the new Scottish Premier League season with an away match against Aberdeen at Pittodrie on August 3.
Aberdeen have signed striker Calvin Zola from Burton Albion on a two-year deal.
Aberdeen have released midfielder Stephen Hughes from his contract with the 30-year-old now available on a free transfer.
Aberdeen have confirmed midfielder Stephen Hughes has been released from his contract 12 months early.
Sheffield United midfielder Barry Robson will join hometown club Aberdeen when his contract at Bramall Lane expires.
St Mirren have joined SPL rivals Aberdeen in the race to secure the signature of experienced goalkeeper Steve Simonsen.
Aberdeen have signed Dundee United midfielder Willo Flood on a pre-contract agreement.
Aberdeen striker Josh Magennis has signed a new deal that will keep him at Pittodrie for the next 12 months.