As the debate between grass and artificial turf continues, the NFL continues to have one club in its bag.

On a Thursday conference call with reporters, NFL executive V.P. Jeff Miller reiterated the league’s default position regarding the two primary playing surfaces.

“We’ve made public injury data on grass and synthetic for many years,” Miller said. “Last three years, there’s no difference between the two in any injury category or overall.”

But that’s only part of the story, obviously. The players strongly prefer grass, given the overall impact on the body. They feel better the next day, because the forces go into the ground on grass. On…

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