THE Philadelphia Eagles have already suffered a feared season-ending injury.
Ben VanSumeren went down clutching his knee on the first play of their NFL opener.
Medics rushed on to help the Super Bowl champion against the Dallas Cowboys .
It happened seconds into the campaign on Thursday night.
The 25-year-old was seen in a clinch with an opponent before twisting his knee.
It is feared he could have suffered an ACL injury.
That would almost-certainly put an end to his 2025-26 season.
It is a devastating blow to Nick Sirianni 's team.
"Injury Update: FB Ben VanSumeren (knee) is out," the Eagles said on X.
The 2023 undrafted star won the Super Bowl last year.
The full-back has been with the team through his whole NFL career to date.
Fans reacted with shock at the devastat