McGregor 's return is not a sure thing , especially given the damage the UFC featherweight champion took against Diaz in their Aug. 20 rematch .
McGregor truly is the UFC 's last hope at the type of landmark event expected for UFC 's introduction to New York .
McGregor 's return is not a sure thing , especially given the damage the UFC featherweight champion took against Diaz in their Aug. 20 rematch , but he truly is the UFC 's last hope at the type of landmark event expected for their introduction to New York .