Mid-season overhauls are almost impossible in the NFL.

A running back can get into rhythm and work on tweaks to footwork and process.

A corner can hone technique and reiterate detail.

A quarterback can rep footwork and give himself reminders about his mechanics.

Major changes, though, are usually an offseason proposition.

In search of incremental improvement as Denver rolls toward a stretch run with major consequences for not only potentially an AFC West division title but also the No. 1 overall seed in the conference, quarterback Bo Nix has set about trying to find little areas to hone his game.

Lately he’s been trying to refine how he operates and communicates between snaps and believes there’s forward momentum to be found in those 30 or so seconds between each play.

Much has been

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