Perhaps if his arm is exhausted he is dependent upon the curve a great deal more. Or any hook. Seems useless arm would clearly show up nor prominently on fast ball velocity, not everything hooking. Like a new version of chicken flu spread as a result of North America this https://www.dailypioneer.com/2021/business/bharti-airtel-shares-jump-nearly-4-pc-after-tariff-hike-announcement.html