Everton manager Roberto Martinez admits he is stunned by the speed of Bryan Oviedo's recovery from a double leg break.
The Costa Rica defender was tipped for a lengthy spell on the sidelines that would also rule him out of his homeland's World Cup campaign in Brazil this summer after suffering the injury in the first half of the Toffees' FA Cup fourth round win over Stevenage last month.
But four weeks on from the horror fracture at the Lamex Stadium, Oviedo this week posted a video of himself cycling on an exercise bike unaided at Everton's Finch Farm training ground.
Martinez has hailed the 24-year-old's rehabilitation progress and has tipped the 24-year-old to return to action in time for Costa Rica's appearance at this summer's finals in Brazil.
"I've never seen anything like it before. I was talking with the medical staff and we're all staggered. The word is remarkable," he told the Liverpool Echo.
"He's an incredibly quick healer and he's so focused. He's been working non-stop in the little jobs he's got to do daily. For him to be able to walk after three weeks and even put weight on the leg, to ride a bike, shows you he's an incredible character.
"He's an outstanding example of how players should be facing adversity. He's never felt down, he's taken each day as one less day until he's back to fitness.
"I always felt because of the way Bryan is mentally and how focused he is that he had a slim, slim chance of making the World Cup.
"Now I'd be even more positive about it because there's still a long time to go and if he progresses at the rate he's doing now, you could easily see him being fit for mid-June."