Actually, according to some of his opponents, he used these tantrums like he uses his volley. McEnroe is prone to throwing a tantrum when the match is close or he senses a turn in the momentum. I think it's probably a valid insight.
Wilson Six.One 95 16X18 Pacific Natural Gut mains @55/TF NRG2 17 Crosses @55
Strung Weight 357g 352g Balance 31.5cm 31.3cm