George Kittle Blasts NFL Over Field Surfaces as World Cup Spurs Grass Installations

Seven National Football League stadiums are currently undergoing a conversion to natural grass playing surfaces to align with FIFA regulations for the upcoming World Cup this summer. This widespread transition has drawn sharp criticism from prominent figures within the NFL, who are highlighting what they perceive as a contradictory stance from the league regarding playing surfaces.

A significant portion of NFL stadiums, specifically half, currently utilize artificial turf fields. This is despite data from the NFL Players Association (NFLPA) indicating that an overwhelming 92% of professional players express a preference for natural grass surfaces.

The prevailing belief regarding the continued use of turf is rooted in economics and practicality: artificial surfaces are generally considered less expensive to install and easier to maintain, especially given that many NFL stadiums host a variety of events throughout the year beyond football games.

Player Advocacy for Natural Grass

As the World Cup group stage progresses, San Francisco 49ers tight end George Kittle publicly challenged the NFL, accusing the league of disregarding player requests while readily accommodating FIFA's demands. Kittle, who is currently recovering from a torn Achilles tendon sustained on a grass field in Philadelphia, emphasized the players' collective desire for natural surfaces.

"We’ve made it clear that we prefer grass fields. We know it’s better on our bodies. And clearly, we know it’s possible based on everything that went into putting down grass fields for the World Cup in each stadium," Kittle stated in a message shared by the NFLPA on social media. "At this point, it comes down to the NFL making it a priority and choosing to invest in us as players, because our bodies are our business, which they get to capitalize on!"

Whitworth echoed the sentiment of player preference while also acknowledging the arguments for turf. "I don't think there's any doubt about it, only because we've voiced so much that we'd love to have it," Whitworth conceded, adding, "The reality is everyone wants to play on grass because you feel better."

League's Stance on Field Safety

Despite the strong player preference and ongoing complaints about certain artificial turf fields—such as the one at MetLife Stadium, home to the New York Giants and Jets, which is also slated to host the World Cup final on July 19—the NFL's chief medical officer, Dr. Allen Sills, maintains a different perspective. Dr. Sills has stated that there are no "statistically significant differences" in lower-extremity injuries or concussions that can be directly attributed to the type of playing surface, whether natural grass or synthetic turf, or any specific surface.

Future Field Standards and Policy

Late last year, the NFL announced upcoming changes to its field standards. Prior to the start of the 2026 season, each NFL team will receive access to a "library of approved and accredited NFL fields." Any newly installed playing surfaces will be required to immediately meet these established standards, and all existing fields across the league will have a two-year period to achieve compliance.

These new standards will apply to both natural grass and synthetic turf fields. However, the league has clarified that it currently has no intentions of mandating natural grass as the universal playing surface for all its stadiums.