urday that Eddie Jackson and Aaron Lynch did not travel with the team to Santa Clara and have been downgraded to out.The Chicago Bears could be rather short-handed on defense this Sunday when they travel to face the San Francisco 49ers. The team will most likely be without starting free safety Eddie Jackson (ankle) and reserve pass rusher Aaron Lynch (elbow) Nick Bosa 49ers Jersey , with both listed as doubtful on the team’s final injury report. Defensive lineman Bilal Nichols is questionable due to a knee injury.Jackson has been one of the best free safeties in the NFL this season, and would be a significant absence. Doubtful means he has a 25 percent chance of playing Nick Mullens Color Rush Jersey , but having not practiced all week, he is unlikely to play. This is a big deal for the 49ers passing attack as Jackson has been a great coverage safety for the Bears.Nichols is a Friday addition to the injury report. One Bears beat writer tweeted that Nichols is usually limited in practice on Friday due to the knee injury. He rotates along the right side of the Bears defensive line https://www.49ersfanshop.com/Steve-Young-Jersey , between right defensive tackle, right end Y.A. Tittle Jersey , right end outside (REO).