Most people don’t go from lying by the roadside with a broken pelvis and a severed leg to landing a role on “Sons of Anarchy” in six years. South San Francisco native Kurt Yaeger isn’t most people. Yaeger, who wears a prosthetic leg, plays Greg the Peg on the show’s fifth season, debuting Sept. 11 on FX. Unlike many disabled television characters — think Becky Jackson on “Glee” or Walter White Jr. on “Breaking Bad” — Greg’s disability is downplayed. Read More