The NFL Players Association last year called on six venues to change their playing surfaces, saying the turf in those stadiums resulted in “statistically higher in-game injury rates."
NFLPA calls on Roger Goodell to replace turf for natural grass in all NFL stadiums
NFL insider notes: Heat turned up on turf vs. grass debate, dissecting Josh Allen's woes and more from Week 10
Latest News – Indianapolis Business Journal
Ford Field turf should be banned, NFLPA president says
Aaron Rodgers' season-ending injury highlights controversy over artificial turf as playing surface in NFL
NFL players and owners are at odds over surfaces their teams play on
Latest News – Indianapolis Business Journal
Latest News – Indianapolis Business Journal
Colts, Lucas Oil bucking recent trend toward grass - Daily Journal
Lucas Oil Stadium – Indianapolis Business Journal