An injury to Renzo Gracie has scrapped the planned main event for the Abu Dhabi Combat Club Submission Wrestling World Championship, as the Brazilian was scheduled to meet Matt Hughes.

According to a report by, Gracie suffered a knee injury and will not be able to make the August-28-30 event in Sao Paulo, Brazil.

Back in 2010, Hughes scored a TKO victory over Gracie.

The ADCC card is expected to announce a new main event, and will also feature Andre Galvao vs. Roberto Abreu and Mario Sperry vs. Ricardo Liborio.