Bowman acknowledges weaknesses and vows to be better in 2016

Daily 49ers blog for NBC Bay Area website: NaVorro Bowman led the NFL in tackles, yet thinks more about the plays he missed. Now he says he'll have a "rigorous" offseason fitness program to be even better in 2016. http://www.nbcbayarea.com/news/sports/Bowman-Vows-to-be-Even-Better-After-Rigorous-Offseason-364388561.html