Maybe if his arm is tired he will depend on the curve far more. Or any hook. Would seem useless arm would demonstrate up nor prominently on fast ball velocity, not anything hooking. Based on the provincial Minister of Health and fitness, signs and symptoms observed in sufferers include fever, https://www.dailypioneer.com/2016/potpourri/in-my-family-no-one-is-fan-of-each-other-says-anil-kapoor.html