Now that Brendan Rodgers has started Celtic’s transfer ball rolling with the signing of Viljami Sinisalo, the fans will expect more new faces to follow soon. Kasper Schmeichel is expected to join the Hoops with a medical expected to be completed any day now and if all goes well, the big Denmark international will be Celtic’s second summer addition. So now that Rodgers appears to have the goalkeeping position sorted, the Celtic manager now must turn his attention to other areas of the team. One of the areas that requires strengthening is in the middle of the park, especially if Matt O’Riley mov…