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Snap-Weighted Age: 2018 NFL Rosters

The modern NFL is a young man's game, but don't tell that to the champs.

We have been tracking snap-weighted age since 2012 -- calculating a team's metric not by just averaging the ages of the roster, but by weighting the age of each player by the number of snaps he played in the regular season. For the third straight year, we saw the league's SWA drop to a record low. We're now down to 26.45 years as the salary cap and rookie wage scale continue to incentivize teams to keep younger, cheaper players over pricey veterans.