San Francisco 49ers linebacker Chris Borland (50) warms up during an NFL football game against the Washington Redskins on Sunday, Nov. 23, 2014, in Santa Clara.
San Francisco 49ers linebacker Chris Borland (50) warms up during an NFL football game against the Washington Redskins on Sunday, Nov. 23, 2014, in Santa Clara. Greg Trott AP
San Francisco 49ers linebacker Chris Borland (50) warms up during an NFL football game against the Washington Redskins on Sunday, Nov. 23, 2014, in Santa Clara. Greg Trott AP
49ers with Matt Barrows

49ers with Matt Barrows

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Chris Borland: Routine hit in 49ers training camp triggered decision

March 19, 2015 09:51 AM