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."
Turf being replaced at Lucas Oil Stadium - Colts Football - Indianapolis Colts Fan Forum
Turf at Lucas Oil Stadium to be replaced : r/Colts
Lucas Oil Stadium not considering switch to natural grass, Colts exec says – Inside INdiana Business
Tennessee will replace their field at Nissan Stadium with synthetic grass after history of injuries
Turf to be replaced at downtown Indy's Lucas Oil Stadium
Latest News – Indianapolis Business Journal
Latest News – Indianapolis Business Journal
Lucas Oil Stadium getting turf upgrade! - Colts Football - Indianapolis Colts Fan Forum
NFL players and owners are at odds over surfaces their teams play on
I've been told that LucasOil Stadium was designed with the marching arts in mind. : r/drumcorps
Why are NFL players pushing the league to switch to grass fields?
From AstroTurf to 'frankenturf:' Inside the NFL's behind-the-scenes battle to fix its turf problem
Opinion: Grass vs Turf, What the Sports World Has to Say – The Albion College Pleiad Online
Jim Irsay calls for instant replay on penalties