Filed under: Stream San Francisco 49ers News Chris Borland retires from 49ers due to head trauma concerns Contributors: David Fucillo, Alex Carson, and Oscar Aparicio Share this story Share this on Facebook Share this on Twitter Share All sharing options Share All sharing options for: Chris Borland retires from 49ers due to head trauma concerns Reddit Pocket Flipboard Email The San Francisco 49ers have another high profile retirement. Linebacker Chris Borland is hanging up his cleats after one season due to concerns surrounding head trauma. 9 Total Updates Since Mar 16, 2015, 7:14pm PDT Follow this stream March 22, 2015 Borland says he will return 3/4 of signing bonus By David Fucillo@davidfucillo San Francisco 49ers linebacker Chris Borland addressed an issue many had been wondering about with his retirement. We have the details. March 19, 2015 Chris Borland's first interview since retirement By David Fucillo@davidfucillo Borland had his first live interview, sitting down with CBS This Morning. We've got video. March 18, 2015 NFL gets its PR machine going By David Fucillo@davidfucillo The NFL either doesn't get it, or thinks fans are morons. I'm leaning toward the latter. March 17, 2015 Tim Ryan's comments about Chris Borland By David Fucillo@davidfucillo 49ers radio personality Tim Ryan had some controversial comments about Chris Borland's decision to retire. We have the full transcript to add a little context. March 17, 2015 One executive: 'The 49ers are f----d' By David Fucillo@davidfucillo It's time for some nuanced discussion. Are the 49ers f----d in 2015? March 17, 2015 Would the 49ers actually go after Borland bonus? By Alex Carson and Oscar Aparicio This is the hot topic on the twitter today, with the word "class" being tossed in. DRINK! March 16, 2015 Players starting to react to Borland news By David Fucillo@davidfucillo The news of Chris Borland's retirement has caught most everybody off guard. Players around the NFL are reacting to it. March 16, 2015 Baalke releases statement on Borland retirement By David Fucillo@davidfucillo Naturally, the 49ers general manager respects Chris Borland's decision. Here is the full statement. March 16, 2015 Borland retiring due to concerns over head trauma By David Fucillo@davidfucillo This is absolutely stunning news.