Pro Football Focus ranked Evan Mathis and Vance Walker among the top 10 free agent signings of the 2015 season/offseason.
The best thing about Mathis is he was a street free agent, so the Broncos got a quality player that won’t affect the compensatory draft picks they could get in 2016.
Throw in Darian Stewart, who has been a quality player, and the Broncos have three free agents that proved good value signings.
There have been misses (Shelley Smith, for example), but as always, it’s important to hit more than you miss, and when you hit, get the best value you can. That’s what John Elway continues to do with most of his FA signings.