Tennis legend John McEnroe, who earned plaudits for an unlikely turn as narrator of the popular Netflix teen drama “Never Have I Ever,” has credited his voice-over career to his famous 1981 outburst in which he screamed, “You cannot be serious” at an umpire.
John McEnroe credits voice-over career to on-court outburst
![John McEnroe credits voice-over career to on-court outburst](https://cdn.cnn.com/cnnnext/dam/assets/200127050047-john-mcenroe-australian-open-2020-super-169.jpg)