Ahead of the 2026 FIFA World Cup, NFL players are renewing pressure for natural grass playing fields, citing concerns raised by the ongoing synthetic turf versus grass debate. Both outlets report that the World Cup has influenced stadium field choices: several NFL venues temporarily switch from synthetic turf to natural grass to host 2026 World Cup matches. This has helped spur a broader campaign among players, including coordinated social media messaging and advocacy under the #WorthTheCost banner, according to Forbes. Yahoo Sports describes similar player-led campaigning across the NFL following the World Cup’s field change, noting that players use social media to argue for grass fields. The coverage focuses on the timing and impact of the World Cup prompting stadium decisions and the way it is now shaping player priorities. Overall, the reports indicate that the 2026 World Cup acts as a catalyst for public discussion within the NFL about playing surface materials, with natural grass being highlighted by players as a preferable option.