Aye it is a bit harsh.
Had he been playing for a RPQ, Spuds or a Bolton, teams of that calibre and produced that performance, he'd be their best player on the pitch. We are the Arsenal however and our expectations and standards are a tad higher.
As for Sagna, the guy next to me pointed that out to me before the game and told me to look out for it and lo and behold thats exactly what happened. Sir Chesney to Sagna and Sagna won it all the time. Fucking love this player. Need to keep him fit and need good cover for him