Siemian will be the Broncos' starter to begin the season the Broncos' official site reports.
The decision hardly comes as a surprise given the ineffectiveness of Mark Sanchez and inexperience of rookie first-rounder Paxton Lynch. Siemian has completed 27 of 43 passes for 285 yards, a touchdown and two picks in three preseason games, including two starts. Those numbers are hardly awe-inspiring, so Siemian will likely have to continue to improve in order to fend-off a mid-season switch to Lynch.