Field Turf leads to higher injury rates...

The data from the study (shown below) represents NFL game-related injuries that occurred to players during the 2002-2008 football seasons:

Teams that played on FieldTurf surfaces showed an 88 percent higher ACL injury rate and a 48 percent increase in eversion ankle sprains.
Per team game, the injury rate was 27 percent higher on FieldTurf surfaces than natural surfaces for all reported game-related lower extremity injuries.