- [Ian Rapoport] On an NFL conference call, executive Jeff Miller is asked about turf vs. grass as it pertains to injuries: Says in 2021 there wasn't a meaningful statistical difference between the surfaces, and there wasn't any difference in the 2022 preseason. "The questions have changed." https://twitter.com/rapsheet/status/1590383305727188992?s=46&t=5S2M-wJkSsQKTQq5ZFftVw 18 comments nfl