PITTSBURGH — Wow, did ESPN's Matt Miller touch a nerve. And all he did was express an opinion that reflects the sensible thinking of most NFL teams these days — that running backs are replaceable and you don't need a great one to win a championship.
Hard truth: Just three of the past 15 Super Bowl champions had a 1,000-yard rusher — and one of them was LeGarrette Blount. Another was Ray Rice, who wound up splitting time with Bernard Pierce for the 2012 Ravens.
Quick trivia: Name the leading rushers for each of the last three Super Bowl champs.