49ers injury report: Armstead, Hargrave miss Thursday practice

SANTA CLARA — Wide receiver Jauan Jennings remains in the NFL's concussion protocol as the team returned to practice on Thursday. Jennings' availability remains in question for the 49ers' game on Christmas night against the Baltimore Ravens. Jennings was among six 49ers players who were not scheduled to practice due to injuries on Thursday, coach Kyle Shanahan said. Defensive tackles Arik Armstead and Javon Hargrave remained out with injuries that have sidelined both starters. Armstead has missed two games with foot and knee issues, while Hargrave sat out Week 15 against the Arizona Cardinals due to a hamstring strain. Backup running Elijah Mitchell (knee), Linebacker Oren Burks (knee) and tight end Ross Dwelley (ankle) were not scheduled to practice on Thursday. Defensive end Clelin Ferrell (ankle) was expected to be limited due to an ankle injury. Right guard Spencer Burford was scheduled to return to full practice after missing time with a knee injury. Jon Feliciano started in Burford's place against the Cardinals. Cornerback Deommodore Lenoir, who was listed as day-to-day this week with bruised ribs, was no longer among the players Shanahan listed with injuries. Jennings,...