Agreed. We didn't play well, until the subs were made, and we started looking more offensively dangerous. But the fact we didn't even play too well and still won, makes it all the more sweet!
Or playing at home against the team having big injury crisis, missing so many first team players (Vidic, Rio, Anderson, Cleverely, Nani, Rooney, Fletcher, Young) still getting bossed by 37 year and 38 year old players needs some thinking back in drawing room.