 West Brom ruthlessly exposed the 70-place gap between themselves and National League Chesterfield as they won their FA Cup third-round replay 4-0 at The Hawthorns. John Swift scored the first goal then had a hand in the next two from Tom Rogic and Jake Livermore before substitute Jovan Malcolm headed the fourth. Carlos Corberans in-form ... FA Cup round-up: Championship West Brom thrash non-League... 