Ranking the Refs

Here's an entertaining look at how different officiating crews call games in the NFL over at Cold Hard Football facts.  The differences are striking:

Ron Winter led the crew that called the most penalties. Controversial Walt Coleman led the crew that called the fewest. The difference was huge: Winter's crew tossed 83 more flags than Coleman's crew over the course of a 15-game officiating season, resulting in nearly 600 more penalty yards.

As for my personal pet peeve:

If you want to throw the lumber around, [Coleman] doesn't mind – he called a league-low one roughing the passer penalty (the average was 5.6) and a league-low three unneccesary roughness penalties. Hochuli, on the other hand, called a league-high 11 roughing the passers and 16 unnecessary roughnesses...