He certainly has put his hat in the ring on several occasions .
There are no new , secret ways to win tennis matches and if McEnroe had any , a high - profile player would have snapped him up for big bucks long before now .
McEnroe certainly has put McEnroe 's hat in the ring on several occasions .
There are no new , secret ways to win tennis matches and if McEnroe had any , a high - profile player would have snapped him up for big bucks long before now .