ESPN's Adam Schefter first reported on Tuesday that Allen "underwent a kidney procedure" and could miss the rest of the season. Then, NFL Network's Ian Rapoport reported that Allen's injury is a lacerated kidney. Later on Tuesday, the Chargers announced that Allen was placed on injured reserve.
Chargers' WR Keenan Allen underwent a kidney procedure – not a surgery – and could be out for season, per league sources. 2015 uncertain.— Adam Schefter (@AdamSchefter) November 3, 2015
Allen suffered the injury just before halftime of the Chargers' loss to the Ravens on Sunday when he came down hard after catching a touchdown. He didn't return to the game and was checked into a San Diego hospital following the game.
Allen will be missed by the 2-6 Chargers. He's currently leading the team in targets, receptions, yards, and is tied for the lead in touchdowns. In fact, Allen's 67 receptions are second in the league and his 725 receiving yards are third.
With Allen sidelined for the final eight games of the season, quarterback Philip Rivers will be forced to rely more heavily on Malcom Floyd, Antonio Gates, and even Danny Woodhead, who is second to Allen in targets, receptions, and yards.