Denver Broncos: Team may try to stash some of its talented rookie class

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What other rookies have proven they are worth stashing, or that they are not quite ready for regular season action just yet?
The Broncos offered Mark Chapman — a wide receiver who was the top pick in the Canadian draft — a contract to come and compete but nothing is guaranteed, regardless of his draft status up North.
Chapman has struggled some with drops in the preseason games.
Local product Bryce Bobo is a practice squad candidate but other receivers on the roster would probably take priority over him at this point.
One of the biggest question marks is linebacker Alexander Johnson, an undrafted player whom the Broncos seem to be treating like a guy that has already been with the team.
Johnson appears headed for the active roster, which will be reflected in my next 53-man roster projection.
You can check out the most recent one here.
If he doesn’t make the roster, however, Johnson is definitely someone the Broncos would want to stash.
One player the team could try and stash but won’t be able to is outside linebacker Jeff Holland. Holland has proven he’s worthy of a roster spot in the NFL, leading to more questions as to why he wasn’t drafted in the first place.
Trey Marshall, DeQuinton Osborne, Antonio Simmons, and Trey Marshall are all rookies the Broncos would have to know a bit more about internally to determine if they are worth keeping around on the practice squad.
Risers and Fallers after preseason week three. dark. Next
It’s worth noting that the Broncos’ initial 10-man practice squad (and more practice squad were all called up to the active roster at some point or another last season.
The Broncos won’t keep 10 rookies on the practice squad, but these 10 guys are going to have to be ready at a moment’s notice to contribute.