Siemian is tied atop the Broncos' depth chart, the team's official site reports.
There's been whispers of Siemian giving Sanchez a run for his money for months now, but this first released depth chart provides weight. With rookie first-rounder Paxton Lynch supposedly catching up to speed, it's still hard to imagine the team not looking toward its future should Sanchez fail to impress - but Siemian is clearly more than a motivating chip.