The Denver Broncos had their defense to thank for a week one win against the Baltimore Ravens as Peyton Manning provided a worrying performance.
The veteran quarterback, failing to throw a touchdown and leading only one red zone drive all game, appeared to carry over his worrying end-of-2014 form into the new campaign.
And now, with debate about whether this is the beginning of the end for the future Hall of Famer increasing, a new development will do little to convince his critics otherwise. Indeed, it will most likely have a few extra Broncos fans questioning their leader's capability.
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As reported by ProFootballTalk, Peyton Manning appeared on the Broncos' Tuesday injury report with a back injury.
Considering Manning's known back problems, and his poor start to 2015, this could well be seen as a further sign that time is finally catching up on the elite QB.
Manning was able to participate fully in Denver's Monday practice. However, that was described by the Broncos' official website as a "jog through" rather than a full tilt session.
At this stage, it doesn't appear that Peyton Manning's status for Thursday night's game against the Kansas City Chiefs is in any doubt.
But the fact that Manning is already ailing this early in the season doesn't exactly bode well for those hoping to see the 39-year-old revert to his free-throwing type in the near future.
Denver Broncos starting running back C.J. Anderson was also listed on the injury report with an ankle/toe issue.
Broncos fans: Was Week One a one-off for Manning, or has his decline finally begun? Have your say in the comments below...