KANSAS CITY, MO – SEPTEMBER 11: Wide receiver Keenan Allen #13 of the San Diego Chargers is loaded on to a cart after being injured on a play during the third quarter of the game agains the Kansas City Chiefs at Arrowhead Stadium on September 11, 2016 in Kansas City, Missouri. (Photo by Peter G Aiken/Getty Images)

The first NFL Sunday of the 2016-17 regular season is finally upon us, and while the season is just beginning for most players, it might already be over for San Diego Chargers wide reciever Keenan Allen.

Allen, who missed the majority of last season due to a lacerated kidney, went down early in the season opener against the Kansas City chiefs with an apparent injury to his right knee. It was clear from the outset that Allen’s injury was significant, and this was only compounded when cameras caught Allen wiping away tears as he was carted off the field.

It is still too early to determine the full extent of the injury, but reports indicate San Diego fears the worst.

San Diego Head Coach Mike McCoy acknowledged the speculation surrounding the star wide receiver’s injury, but said there is no official announcement yet. The team will hold off until the official test results are in.

This serves as a particularly rough blow the Chargers. Allen exited the game with his team holding 21-3 lead, but adding insult to injury, the Chiefs came all the way back to win, 33-27. However, the damage will certainly extend beyond this game. Allen seemed ready for a big year. He entered the season fully healthy, and at age 24, poised to finally build on his standout rookie campaign in 2013.

The Chargers were already facing dismal prognostications heading into the year, and expectations for Phillip Rivers and company will only lower from here.

Allen’s injury was the most significant from Sunday’s early slate of games, but he was not the only notable player to go down. Texans linebacker Brian Cushing suffered a MCL tear in the first quarter of Sunday’s matchup with the Bears. Reports indicate this will keep him sidelined for the next six weeks, although he will not need surgery at this time.

Browns quarterback Robert Griffin III also suffered a sprained shoulder on Sunday, but he believes he will be ready to play next week.

[Yahoo!]

About Ben Sieck

Ben is a recent graduate of Butler University where he served as Managing Editor and Co-Editor-in-Chief for the Butler Collegian. He currently resides in Indianapolis.