Kyle Walker has revealed that Manchester City have worked diligently on set-pieces in recent weeks and it paid off against Tottenham Hotspur. After City missed several sitters against Spurs during their FA Cup encounter on Friday, it took a late Nathan Ake strike from a corner to hand them a late 1-0 victory. As per OptaJoe (via Twitter), Manchester City managed to score their first goal at the Tottenham Hotspur Stadium after taking 102 shots in their six games at a ground where they seemed to be cursed. Kyle Walker says working on set-pieces helped Manchester City beat TottenhamAfter Ruben Di…