Scottish Premier League side Celtic Football Club are one of the clubs that have a big summer on their hands as they are faced with the huge task of getting not only a few players but a manager as well. After losing the Scottish Premiership title to fierce rivals Rangers this season, they now want to bounce back and have identified this summer as the best time to handle their best bit of business. They have been linked with a couple of players who they want to sign in a bid to revamp their squad ahead of next season.