This second part of our four-part series on NFL injuries looks at how those injuries vary by time. We'll look at both calendar time (2000 to 2014) and season time (Week 1 to Week 17).
If you haven't read part I of this series, I highly recommend it. It lays out how we're exploring NFL injury data in this four-part series and gives some important caveats regarding the data.
Injuries by Week of Season
One common perception -- at least common enough that I personally believed it before looking at the data -- is that injuries occur more frequently as the season drags on and the wear and tear builds up on players' bodies.