It's possible if his arm is tired he depends on the curve a great deal more. Or any hook. Seems dead arm would demonstrate up nor prominently on quickly ball velocity, not something hooking. Gurus Chatting with DailyMail.com mentioned the indications were being 'non-specific' and so they wanted more information. https://www.dailypioneer.com/sports/we-are-aiming-for-5-0-series-win-maxwell.html