Huge talent of 49ers picks Foster, Williams comes with issues

Did the blinding talent of two draft picks cloud the vision of rookie general manager John Lynch and head coach Kyle Shanahan? Lynch, a physical safety during his 15-year NFL career, said Foster is the type of player he covets: "He'll hit anything that moves." Williams ran the second-fastest 40-yard dash among running backs at the combine and ended his career on a jaw-dropping streak: The additions of two uber-talents, who may have been grabbed at great values, are a reason Lynch's first draft class was widely hailed and the positive offseason buzz surrounding the lowly 49ers has persisted. [...] if the honeymoon ends, it could be at least partly because the risks taken with two of Lynch's first five draft picks, players who cost the 49ers a fourth- and fifth-round pick to acquire, aren't rewarded. Foster was dismissed from the NFL combine after he got into an argument with a hospital employee. In the first round, Raiders general manager Reggie McKenzie, who had a huge need for an inside linebacker, passed on Foster and selected Ohio State cornerback Gareon Conley, who had been accused of rape. Part of Foster's tumble was tied to a shoulder injury that could require a second...