Moments ago, former two time junior welterweight champion Sharmba Mitchell informed Boxingtalk.com that he has signed a contract to face undisputed welterweight champion Zab "Super" Judah on Showtime Championship Boxing on September 3.  "I'm thrilled to get this opportunity and I want to let all of my fans know that I'm not letting anybody down this time. Zab is in trouble," said Mitchell. Judah was unavailable for immediate comment, but his attorney Josh Dubin has informed Boxingtalk that the welterweight king hasn't signed any contracts as this goes to print. Judah was unavailable for immediate comment. REMEMBER WHERE YOU HEARD IT FIRST! (7:00 PM ET)