Ryan Mathews has watched his ill-timed fumble at the end of the Eagles’ 24-23 loss to the Lions just once on film.

That was enough.

Mathews, 29, took his fumble that led to the Lions’ game-winning field goal extremely hard on Sunday night. With his head lowered, a distraught Mathews admitted that he “f----- up.”

On Wednesday afternoon, the fumble still stung.

“It’s still hard,” Mathews said to CSNPhilly.com, while walking through the Eagles’ locker room. “It’s just what you have to do. You have to try to forget about it, watch film and correct your mistakes.”

On Sunday, head coach Doug Pederson grabbed Mathews in the tunnel after the game and told him to keep his head up. Pederson told him to not let one bad play define his season.

And Pederson wasn’t the only one to offer words of support. Plenty of his teammates have made sure to tell the veteran running back to keep his head up after what Mathews said was the worst play of his career.

“They’ve been wonderful,” Mathews said. “I really can’t say enough about how much they have my back and everything. They’ve been real supportive and everything. It’s kind of one of those things where s--- happens.”

Mathews' fumble was his first of the season after having just three in 2015. The seven-year vet has never really had much of a problem with fumbling.

Among running backs with more than 1,000 carries since 2010, Mathews is one of just 13 with 19 or fewer fumbles.

“Ryan’s a competitor,” Carson Wentz said. “He’s not thrilled when that happens. No one’s thrilled when they make a mistake. He’s a competitor and he came right back to work like nothing happened and we’re moving forward from there. I’m not worried about him in the slightest.”

With four days until the game on Sunday in Washington, Mathews was eager to get back on the field and to finally put the heart-breaking play in the rearview.

"It sticks in your mind a lot, but you’ve got to be able to bounce back from it and be able to forget real fast," Mathews said. "You just have to be able to learn from your mistake."