UFC Fight Night 23 has lost one half of it’s main event.

A highly anticipated lightweight main event between top UFC contenders Kenny Florian (14-5 MMA, 11-4 UFC) and Evan Dunham (11-1 MMA, 4-1 UFC) will not take place as scheduled.

MMAjunkie.com (www.mmajunkie.com) has learned from sources close to the promotion that Florian suffered an undisclosed injury while training for a planned matchup with Dunham and has been forced to withdraw from the bout.

Heavy.com is reporting that Florian suffered a knee injury, and Melvin Guillard has been pulled from an undercard bout against Yves Edwards to replace Florian in the main event against Evan Dunham.

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