I know that John Fox took over the worst Broncos team I have ever seen. I know that this year, he presided over the best Broncos squad I've seen since 1998, and easily one of the ten best Broncos teams of all time (I'd say pretty comfortably one of the five best).
How do you judge the all time Broncos teams in order to make this determination? Offensive and defensive ranks are important, I assume, but do you adjust for SOS? Didn't Denver have a really easy schedule this year that may have served to inflate their record and those offensive and defensive rankings?I don't have a mental ranking of all time Broncos teams, but I have a hard time believing this year's team was one of the top 5.
This year's Denver team tied the best scoring differential in Denver history (the co-holder of that honor is exactly the team you'd expect- the 1998 Denver squad). The 2012 Broncos had an easy schedule (3rd easiest in team history, according to PFR's SoS calculations)... but that's irrelevant to the comparison, because the 1998 team had a substantially easier schedule still (easiest in team history, and roughly on par with the 2012 Colts schedule). PFR's SRS rankings (which are adjusted for SoS) rank this Broncos team as the 4th best of all time, behind 1977, 2005, and 1997. DVOA (which is opponent adjusted, and goes back to 1991) ranked this Broncos team as not just the best Broncos squad, but one of the 10 best teams period. So the numbers- even adjusted for SoS- make a very strong case.This isn't just a numbers ranking, though. While the 2005 team did extremely well in the advanced metrics, I wouldn't rank them as one of the 5 best Broncos teams of all time. Their defensive prowess was largely built on smoke and mirrors (that was the biggest blitzing team I have ever seen, though I never saw the Gritz Blitz), and when the blitz didn't get there, they were mediocre. That sort of high-variance play doesn't really lend itself to a one-and-done tournament. Plummer was wildly underrated during his tenure as a Bronco, and that rushing attack was one of the best in history, but no way is any offense featuring Plummer/Anderson/Bell as lethal as the Elway/Davis/Smith/McCaffrey/Sharpe or Peyton/Demaryius/Decker/Tamme varieties. 2005 was a team that built an amazing resume that overstated its true quality. It was one of the top 10 Broncos teams, but not top 5.
Anyway, if I were ranking the top 5 Denver squads, I would start with 1977, 1997, and 1998. These were clearly the top 3. 1998 looked the most impressive, but as I said, it played far and away the easiest schedule in franchise history. 1997 wasn't quite as high-flying, but when you factor in the higher degree of difficulty in their schedule (which was still below average), it stands up well. 1977 was almost as dominant, and did it against the 4th toughest schedule in team history. After that, the contenders would be 1989 (the best of those late-80s SB losers), 2005 (already discussed), and 1996. 1996 is actually interesting, because it's a very similar team to this year's. Both teams were coming off of 8-8 seasons. Both were in the second year of a new coaching regime. Both finished 13-3, earned the #1 seed, and lost at home to a double digit underdog. This year had a much better scoring differential, but 1996 faced a tougher schedule. Ultimately, I'd take this year's team over 1996- the pass rush and passing game this year were so deadly, and 1996's running game hadn't quite hit the otherworldly level of the '97-'98 teams. Other possible contenders for "top 5" status would be 1991 (12-4, but a terrible scoring differential against a below-average schedule- just not a dominant team) and 1984 (13-3 with a wicked defense, but that offense was mediocre). And, of course, the other two SB seasons, but I'm not calling a team one of the five best in franchise history just because they happened to be two of the worst SB participants in NFL history. That leaves 2012 and 1989 filling out the final two spots in the "top 5 Denver Broncos teams of all time" list, with 1996, 2005, 1991, 1984, and... I guess 1986 rounding out the top 10.
This year's Denver team had the best passing attack in franchise history. It also had the best pass rush in franchise history. They're one of the few teams in history to finish 1st in NY/A and NY/A allowed. In a league so dominated by the pass, this year's team clearly rates up there with the Denver great, despite a mediocre rushing attack and turnover differential.