Broncos Injury Update: Peyton Manning on the sideline Friday

After throwing the last two days, Manning was limited to a spectator's role as Friday's practice began.

Peyton ManningENGLEWOOD, Colo. -- Quarterback Peyton Manning was at practice, but was not throwing, did not have a helmet and watched his teammates go through drills as the Broncos concluded preparations for Sunday's game with the Steelers.

Manning threw during practice the previous two days. During those two sessions inside the Pat Bowlen Fieldhouse, he threw in individual and seven-on-seven periods, while also guiding the scout team.

Manning has already been ruled out for Sunday. Brock Osweiler will start, with Trevor Siemian serving as the backup.

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