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A back injury has forced Thiago Silva out of UFC 149 as he was scheduled to face Mauricio Rua in the evening’s co-main event. No official replacement has been announced as of yet, although UFC newcomer Glover Teixeira has been the rumored foe. UFC 149 takes place on July 21st at the Scotiabank Saddledome in Calgary, Alberta, Canada with Jose Aldo and Erik Koch headlining.
