A just released study shows that playing football on the artificial Field Turf surface versus natural grass caused NFL players more injuries says a report published in US News:
Researchers analyzed data from the 2002-2008 National Football League seasons and found that teams playing on FieldTurf had an 88 percent higher rate of anterior cruciate ligament (ACL) injuries and a 48 percent higher rate of eversion ankle sprains (foot twists outward).
Per team game, the rate of all reported game-related lower extremity injuries was 27 percent higher on FieldTurf than on natural grass.
Read more here.