Ryan Couture Off Nov. 19 STRIKEFORCE Challengers Due To Staph Infection NEW YORK – Unbeaten Ryan Couture (1-0) has been forced to withdraw from the  STRIKEFORCE Challengers event Friday, Nov. 19, at Jackson Convention Complex in Jackson, Miss., due to a staph infection, STRIKEFORCE announced today. The son of Mixed Martial Arts (MMA) legend, Randy…