It depends on what your talkin about. Theyre effectively the same thing but there is a subtle difference if your talkin about distance
Pace = time/distance e.g. minutes/mile
Speed = distance/time e.g miles/hour
he clearly meant football speak. You know damn well the Jamie Redknapps, Andy Grays, Ray Parlours, Niall Quinns aint thinking about all that when they say that.