Conversation so far:
What was Y.
A.
Tittle's style?
Tittle threw the ball from a sidearm, almost underhand position.
Did he choose that style of play or did it come to him naturally?
CANNOTANSWER.

Question: Was his play style effective at first or did he have to work at it?
Self-contained rewrite: Was Y. A. Tittle's play style effective at first or did have to work at throwing sidearm?