Conor McGregor reacts to disastrous UFC return: ‘My head gasket is gone’ By Latest & Breaking News on Fox News Comments Off on Conor McGregor reacts to disastrous UFC return: ‘My head gasket is gone’ 2 Min Read Conor McGregor landed awkwardly on his right knee early in the UFC 329 bout, and Dana White says doctors believe it was a blown ACL that ended it.