probably a dumb comment but, if grass really does cause more injuries u would think the nfl would just mandate fields need to be turf....then
on the other hand i suppose these are fields that see other sports played on them?
https://thescorecrow.com/2018/10/12/is-there-an-acl-injury-epidemic-in-the-nfl/
Interesting, older article says in days past a lot of players never reported knee injuries,. Thurman supposedly played entire career with ACL injury