An undisclosed injury has forced Anthony "T.J." Waldburger (13-5 MMA, 1-0 UFC) out of preliminary-card fight with fellow welterweight Matt Riddle (5-1 MMA, 5-1 UFC) at December's UFC 124 event.
Riddle's manager, Malki Kawa of First Round Management, today announced the news via Twitter.
He stated that a replacement fighter will be named shortly.
MMAjunkie.com (www.mmajunkie.com) could not immediately confirm the nature of the injury.
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