BY JOE FERRARO
sportsnet.ca

Canadian welterweight prospect Rory (The Waterboy) MacDonald has been forced to withdraw from his preliminary bout vs. Matt (The Immortal) Brown at UFC 123: Rampage vs. Machida.

Sources close to the situation stated MacDonald (10-1), suffered an injury during training, and will have to undergo knee surgery on Oct. 14. The early prognosis is that McDonald will only be out for a few weeks, but no concrete timeframe has been given for his return to the octagon. According to MMAJunkie.com, MacDonald will be replaced by Brian Foster.

You can catch UFC 123: Rampage vs. Machida prelim action, exclusively in HD, on Rogers Sportsnet. And don't forget that Sportsnet is your exclusive home to live action for Sunday's UFC 120: Bisping vs Akiyama event, starting at 3 p.m. ET, only on Sportsnet One.