Possibly If his arm is fatigued he will depend on the curve far more. Or any hook. Appears lifeless arm would clearly show up nor prominently on quick ball velocity, not just about anything hooking. Libby pitched 86 innings previous yr mainly an inning or two at any given time. https://www.dailypioneer.com/2016/page1/embassys-noc-not-a-must-for-foreigners-to-wed-indians.html