Move Over MLS, Ligue 1 Eyeing U.S. - Front Office Sports
NFL insider notes: Heat turned up on turf vs. grass debate
NFLPA calls on 6 venues to change playing surfaces
Inside the NFL turf debate: Injuries, safety measures, problems - ESPN
Which NFL stadiums use real grass vs. artificial turf? Full
NFL call for grass instead of turf
NFLPA calls on 6 venues to improve playing surfaces
NFLPA calls on 6 venues to improve playing surfaces
Ford Field turf should be banned, NFLPA president says