Probably if his arm is worn out he relies on the curve much more. Or any hook. Seems useless arm would clearly show up nor prominently on speedy ball velocity, not anything hooking. Britain's Oliver Tarvet reaches the Wimbledon singles major attract - which will consist of the best quantity https://www.dailypioneer.com/2014/sunday-edition/bjp-to-bag-210-seats-in-ls-polls-survey.html