For decades they have stood united, sparking rebellions, protecting their own, and running roughshod over the competition. Factions are as woven into the fabric of sports-entertainment as the rules they tend to ignore. Now, celebrate 20 of the coolest, baddest and most dominant stables in history as WWE Presents: Greatest Wrestling Factions. The most illustrious groups from WWE, WCW, ECW and more are profiled, with all-new superstar commentary. Plus, witness your favourite groups in action with 20 classic matches, many of which have never been released on video!