It will irk Steve Clarke that Scotland were seconds from securing a seventh straight victory. Kieran Tierney’s second-half header looked like continuing momentum for Clarke before the kind of moment which would have triggered huge controversy were this a competitive game. Clarke must take solace from the flowing nature of Scotland’s play. Craig Gordon was judged to have upended the Poland substitute Krzysztof Piatek, with the goalkeeper unable to block the same player’s penalty. Replays sugge...