Paulo Thiago removed from UFC 142 fight card after dislocating elbow

A dislocated elbow has forced Brazilian supercop Paulo Thiago to withdraw from his upcoming welterweight fight against Mike Pyle at UFC 142, currently scheduled for Jan. 14, 2012, at the HSBC Arena in Rio de Janiero, Brazil.
Tatame.com has it:

According to what reliable sources revealed firsthand to TATAME, the fighter wrenched his elbow during Wrestling trainings at his gym Constrictor Team, in Brasilia, and won’t be able to fight Mike Pyle at UFC 142.