كتب : وكالات
The Blues were inspired by a super performance from star winger Eden Hazard, who scored all goals at Stamford Bridge.
Egypt star Salah came off the bench to replace Brazilian winger Willian in the 78th minute.
Salah had a couple of chances to increase Chelsea's lead but saw his attempts go wide.
Chelsea jump to the top of the table, benefiting from the thrashing 5-1 defeat of leaders Arsenal at Liverpool.
Close rivals Manchester City also stumbled against Norwich, who held to a 0-0 draw.
Salah individual highlights