Rookie Dashon Goldson's elbow injury was described Monday as a strain/sprain. He strained a muscle in his right arm and sprained a ligament in the elbow. He's definitely out of action for Saturday's game in Chicago and team doctors will reevaluate him next week to see if he can play in the finale in San Diego. If he had torn a ligament, he almost certainly would have been lost for the season.
Darnell Bing filled in for Goldson with the second-team defense during the morning practice because Vickiel Vaughn sat out the session with a sore knee. Both Vaughn and Bing played in the afternoon.
Other 49ers' injury news:
Frank Gore (hand) went through some individial drills, as did Bryant Young (back), Patrick Estes (ankle) and Walt Harris (calf).
Darell Jackson rested for the morning practice but was back for the afternoon session. Arnaz Battle missed both.
Tackle Jonas Jennings rested on Monday. Hannibal Navies sprained an ankle in the Raiders game and did not practice.
The 49ers had their final two-a-day practice of the summer. Training camp wraps up Wednesday and players will be allowed to go home after practice instead of going to the team hotel in Santa Clara.
Mike Nolan said the 49ers' first-string unit would play the first half -- and possibly into the third quarter -- against the Bears.
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