Chargers wide receiver Keenan Allen was having himself a game with six receptions for 63 yards before halftime. Unfortunately, Allen suffered a non-contact injury in the second half
Allen’s reaction as he was being carted off suggests that the injury is serious.
According to NFL Network’s Ian Rapoport, doctors believe he tore his acl during initial tests
If Allen does indeed have an acl tear he would be out for the season.