Out of interest do you know the other games we've won by 3?
I know that Newcastle 2 seasons ago is there when Barkley scored.
err.. I got the answers here (click on the home link for the whole football world in 31 different countries apparently!)
http://www.stat-football.com/en/a/eng.php
06/07 Watford
10/11 Wolves
12/13 Fulham
13/14 Newcastle
All 3-0