The Denver Broncos' roster is not exactly proven, but it's young and loaded up for the future.
There are going to be some really fun competitions all over the roster this season, provided the players are able to get out on the field and compete in front of the coaches at some point.
You can check out my various roster previews here:
Every position group has some fascinating battles and the more that I thought about it, the stranger it felt that there were guys at a variety of positions that I felt could legitimately start for the Denver Broncos in 2020 but also be in the discussion to be cut before the season begins.