'Concussion' from a former San Francisco 49ers perspective

Depicting the NFL's concussion epidemic is more complicated, and Lynch understands those nuances, too. The former Cal standout was a backup center for the 49ers from 1999-2002. And when Lynch retired after 52 games, he counted himself fortunate to 

Quin has played in 98 straight games, but he has to clear the NFL's concussion protocol before Sunday's game against the 49ers to keep the streak going. Quin was the only player who missed practice Wednesday, but several players were limited.

SAN ANTONIO – A new film, "Concussion," starring Will Smith, tells the story of a doctor who challenges the NFL about brain injuries. Local doctor Evan Ratner is leading his own charge to educate others about concussions.

Depicting the NFL's concussion epidemic is more complicated, and Lynch understands those nuances, too. The former Cal standout was a backup center for the 49ers from 1999-2002. And when Lynch retired after 52 games, he counted himself fortunate to 

Quin has played in 98 straight games, but he has to clear the NFL's concussion protocol before Sunday's game against the 49ers to keep the streak going. Quin was the only player who missed practice Wednesday, but several players were limited.