Carroll: Grass for all NFL stadiums 'safest for the players'
RENTON, Wash. -- Seattle Seahawks coach Pete Carroll and safety Quandre Diggs on Wednesday said they'd like to see a close re-examination of whether NFL stadiums should exclusively use natural grass.
The ongoing conversation about the safety of playing on artificial turf versus natural grass has been raised anew after Seahawks wide receiver DK Metcalf and Los Angeles Chargers cornerback J.C. Jackson suffered knee injuries during Sunday's game at SoFi Stadium, both on non-contact plays.
SoFi Stadium uses an artificial surface.
"I think we definitely need to look at this really seriously in the offseason again," Carroll said when asked about the grass/turf debate. "It's been a discussion before. We've got to do what's right and we've got to do what's safest for the players and we've got to make those choices. I would pound on the drum for that."
Fourteen of the NFL's 30 stadiums use an artificial surface, including the Seahawks' Lumen Field. In September of 2020, NFL Players Association president JC Tretter called for all teams to use grass fields to reduce the risk of injury to players. Tretter cited NFL injury data from 2012 to 2018 that showed a 28% higher rate of non-contact lower extremity injuries on artificial turf compared to grass.
"I know that there's numbers and there's studies," Carroll said. "You've got to figure out who the study comes from and who's paying for it. There's a lot of stuff here that we've got to figure out. We've got to do the right thing, but we definitely need to keep looking at it because every now and then, it just feels like something is up, too many guys going down when they're not even touching anybody. So we'll see. The turfs are way better than they used to be and all that kind of stuff, but we've just got to see."
Jackson will miss the rest of the season after rupturing the patellar tendon in his right knee Sunday. Metcalf suffered a much less severe injury to his left patellar tendon that won't require surgery. Carroll said Metcalf was feeling "a little better" Wednesday and was at the Seahawks' morning walk-through but wouldn't take part in their afternoon practice. Metcalf's status for Sunday's game against the New York Giants remains up in the air.
Tretter's 2020 call for all teams to use natural grass came after San Francisco 49ers coach Kyle Shanahan complained about the artificial turf at MetLife Stadium, where quarterback Jimmy Garoppolo and defensive end Nick Bosa had recently suffered season-ending knee injuries.
Diggs cited those injuries and the ones Sunday at SoFi while expressing his dislike for artificial turf, which he said is firmer and has less give than grass.
"So you see that and you just kind of wonder why can't we have natural grass everywhere," he asked. "I love playing in San Francisco and things like that where it's grass and you just go out there and you just go play. Hopefully we're doing some research on it and seeing what we can do to make things better."
Diggs said grass is "so much better" but acknowledged that players suffer injuries on grass as well, including his dislocated ankle and broken fibula last season at the Arizona Cardinals' State Farm Stadium. Diggs said there's variance between the turfs at different stadiums, describing SoFi's as slick and Lumen Field's as "fine" but "a little more sticky than others." He said his foot got stuck in the turf on a missed tackle two weeks ago in a home game against the Arizona Cardinals.
"I know it's hard to upkeep grass, but at the end of the day, we've got to do what's best for this billion-dollar industry and I think the players are a big part of that," Diggs said. "So maybe we can take some ideas from the players."
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