tony pulis enjoyed a 2-0 win on his first return to selhurst park .
the welshman left palace on the eve of the new season and has since taken over at the hawthorns - with three points in south london crucial having seen his side lose their last three in the premier league .
west brom midfielder craig gardner celebrates having scored the second for tony pulis ' side .
but gardner , whose trademark second-half goal added to james morrison 's early header .