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The 49ers released their first unofficial depth chart of training camp for the exhibition opener on Thursday evening against the Baltimore Ravens.
SANTA CLARA -– Nose tackle Glenn Dorsey left the practice field Friday evening after sustaining an arm injury during the early portion of the 49ers' workout.
SANTA CLARA -– Anquan Boldin took a swipe at cornerback Darryl Morris.
Quick Hits: 49ers coach Jim Harbaugh told Jed York that he doesn't want to set precedent with contract extension, while Michael Crabtree will miss time again.