Ron Rivera, Gary Kubiak have guided teams to Super Bowl
For NFL franchises, the key to success is to know when to change coaches, like the Denver Broncos, and when to stand pat, like the Carolina Panthers. Both teams made it work out on the way to this year’s Super Bowl. The Broncos came to a mutual parting with former John Fox and brought in Gary Kubiak, who has done a terrific job. He got five wins from backup quarterback Brock Osweiler, and he has helped to transform the Broncos…