Celtic derby hero Matt O’Riley has absolutely nothing to apologise for. The star midfielder was again in imperious form against Rangers on Saturday, netting his 16th goal of the season. Yet, the humble Danish international is still happy enough to hold his hands up and offer an explanation for his penalty miss in the second half of the 2-1 victory. Penalties haven’t been Celtic’s strong point this season. In some leagues, penalty conversion rates can go up well beyond 80% but the Bhoys have not been at that standard. Brendan Rodgers’ side have been awarded 17 penalties in all competitions this…
