Harbaugh adds Stanford wideout Owusu

The risks of concussions haven’t kept any former college football players from the NFL, including former college football players with a history of concussions. Stanford receiver Chris Owusu agreed to terms with the 49ers shortly after the draft ended, according to Matt Maiocco of CSNBayArea.com. Owusu, who played for 49ers coach Jim Harbaugh at Stanford,…