San Francisco guard Alex Boone (75) and tackle Joe Staley (74) line up against the Green Bay Packers during an NFL football game in Santa Clara, Calif., Sunday, Oct. 4, 2015.
San Francisco guard Alex Boone (75) and tackle Joe Staley (74) line up against the Green Bay Packers during an NFL football game in Santa Clara, Calif., Sunday, Oct. 4, 2015. Jeff Haynes The Associated Press
San Francisco guard Alex Boone (75) and tackle Joe Staley (74) line up against the Green Bay Packers during an NFL football game in Santa Clara, Calif., Sunday, Oct. 4, 2015. Jeff Haynes The Associated Press
49ers with Matt Barrows

49ers with Matt Barrows

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Three 49ers offensive linemen ailing after Ravens game

October 19, 2015 07:04 PM