Complex sentence: The originally announced title fight re-match between Welterweight champion Carlos Condit and challenger Brock Larson was canceled when Larson suffered an injury in training and then it was announced, that following this event, the WEC would dissolve their Welterweight division into the UFC.
Split into simpler sentences: The originally announced title fight re-match between Welterweight champion Carlos Condit and challenger Brock Larson was canceled when Larson suffered an injury in training. It was then announced, that following this event, the WEC would dissolve their Welterweight division into the UFC.