Head coach Sean Lynn says he is still seeing the positives despite Wales’ narrow WXV defeat to USA.

Wales had gone into the game full of confidence after their eight-try mauling of South Africa, but failed to produce a repeat performance in front of the Cardiff Arms Park faithful.

The first half was encouraging enough, with Wales clawing back a 14-point deficit, but hopes of a second-half resurgence were short-lived amid a string of individual errors that allowed The Eagles to emerge 26-24 winners.

But as Wales head into their week off ahead of next month’s double-header against Japan, Lynn said he has seen enough progress.

“I saw some grit, I saw some effort there,” he told BBC Sport.

“Before, when we were 21-7 down, I would have seen heads drop, but we’re in a good place and came back. Now it’s about us learning how to see games off and going back to the simple things we’re doing well.”

Workers were still trimming the turf at Maracana Stadium on Saturday, less than 30 hours before the NFL’s first game in Rio de Janeiro between the Dallas Cowboys and the Baltimore Ravens.

The Maracana’s pitch has been a concern for almost two weeks due to its poor shape amid a long season in Brazilian football, with Rio clubs Flamengo and Fluminense playing there at least once a week.

Maracana workers were using mows and scissors big and small to perfect the turf for the game, in an effort expected to end just hours before kick-off.

On Friday, the executive director of the NFL Players Association said both the NFL and the players union have had experts monitoring the field conditions for Sunday’s game. The union’s experts are worried about loose turf leading to too much slipping.

Concerns are about the turf’s traction and stability, which made the NFL reinforce its stitching. Earlier this week, field director Nick Pappas said he was confident players will have no trouble.

On Saturday, Pappas told reporters that the NFL made additional improvements since the union’s concerns were raised.

“Things check out,” Pappas said. “No need to worry.”

The NFL has been playing in Brazil since 2024, but the two previous games were at the 48,000-seat NeoQuimica Arena in Sao Paulo. In the first year of the Brazil game, its turf was also criticised and forced players of the Philadelphia Eagles and the Green Bay Packers to change their cleats to stop slipping.

The Maracana field is 100 per cent natural grass, while the NeoQuimica Arena has a mixture between natural and synthetic that players in Brazil deem to be the country’s best pitch.

The Cowboys and Ravens began their preparations in Rio on Friday following roughly 10-hour flights. Dak Prescott, his Cowboys teammates and their cheerleaders had their visit to the stadium in the morning.

Fans from Texas involved in a stadium tour were more worried about going to a Brazilian steakhouse for lunch than the turf conditions for Sunday’s game.

“These boys have played in very bad conditions growing up, I am sure they will handle whatever challenges come,” said George Smith, 72, wearing a cap with the Cowboys’ blue star and a Brazilian national team football shirt. “What concerns me now is making sure I get my beef today rather than tomorrow before the game.”

Throughout Rio’s glitzy southern end, where Copacabana beach lies, there were clearly more Cowboys than Ravens fans roaming around. Many fans were still arriving from other South American nations, as Brazil is for now the only country of the region to host NFL games.

Their game Sunday will be one of a record nine international contests on the NFL schedule this season.

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