Chicago White Sox general manager Kenny Williams questioned the "culture of sports" after his son Kyle received death threats on social media outlets following Sunday's NFC Championship Game. Williams' son is the San Francisco 49ers wide receiver and kick returner who made two glaring miscues late in Sunday's game that helped the New York Giants advance to the Super Bowl. Kenny Williams also said that his son was playing with an injured left shoulder Sunday, an injury that happened in the third quarter. Kenny Williams added that his family does not make excuses and did not blame his son's miscues on the injury. Injury or not, some people were apparently outraged enough to wish harm to Kyle Williams after his two turnovers, the second of which led directly to the Giants' game-winning field goal. One early threat, via Twitter, wished harm on Kyle Williams' wife and child. He is single with no children. Read more: http://espn.go.com/nfl/playoffs/201...co-49ers-kyle-williams-received-death-threats