Maybe if his arm is tired he relies on the curve a great deal more. Or any hook. Appears useless arm would show up nor prominently on fast ball velocity, not something hooking. Specialists speaking to DailyMail.com said the signs or symptoms have been 'non-particular' plus they necessary more details. https://www.dailypioneer.com/2018/business/india-hopes-uk-eu-divorce-wont-be-very-acrimonious-says-prabhu.html