Los Angeles Chargers No. 1 cornerback J.C. Jackson appeared to suffer a severe right knee injury while in coverage late in the first half against the Seahawks.By video, Jackson appeared to suffer the injury on a misstep with his right foot before attempting to jump and break up a pass.Based on multiple videos, the Pro Football Docs have significant worry for a torn patella tendon for the Chargers' big free agent signing.Full story⏩https://t.co/gU3PDxUvToBy video, #Chargers CB J.C. Jackson appeared to suffer a season-ending knee injury on this play, according to our panel of doctors pic.twitter.com/5sQ4y9hVyW— Sports Injury Central (@SICscore) October 23, 2022 Jackson was carted to the locker room with an air cast placed on his right leg. He was ruled out a short time later.If confirmed, his season would be over.He had a slow start to the season after having surgery to remove an extra bone in his right ankle. Jackson logged 15 combines tackles and 2 passes defended in five games played this season.