Probably if his arm is fatigued he relies on the curve much more. Or any hook. Seems dead arm would show up nor prominently on quickly ball velocity, not everything hooking. How that can help avert the spread of animal illnesses such as chook flu, Alabama Rot and Bovine TB https://www.dailypioneer.com/2022/state-editions/punjab-plans-to-give-cash-to-farmers-for-not-burning-stubble--cm.html