Probably if his arm is drained he depends upon the curve a lot more. Or any hook. Would seem dead arm would clearly show up nor prominently on fast ball velocity, not nearly anything hooking. According to the provincial Minister of Wellness, signs and symptoms noticed in people involve fever, https://www.dailypioneer.com/2021/state-editions/bjp-raises-issue-of-atrocities-against-sc-community-in-state.html