Shanahan on Newsom injury: 'We're praying for the best'

Practice was halted early on Tuesday after 49ers rookie linebacker Donavin Newsom collided with a teammate, appeared to lose consciousness and then was taken off the field in an ambulance.
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Practice was halted early on Tuesday after 49ers rookie linebacker Donavin Newsom collided with a teammate, appeared to lose consciousness and then was taken off the field in an ambulance.