When I threw overhand, it would hurt my shoulder. But from here [his ear], I'd feel nothing. I threw my fastball straight up. I couldn't throw overhand, so I jerked it at them. It fooled a lot of hitters.

He looked like he was too small to be a batboy. Little bitty guy, but oh, could he throw hard. - George Giles

Day was a short-arm. He used very little motion, but was very quick, had good control, plus a breaking pitch and a change of speed. - Roy Campanella

I would say he was the most complete ballplayer I've ever seen. I've never seen a better athlete, never seen a better baseball player all-around.

— Monte Irvin

As you can imagine, with no windup it was hard to steal on Leon. Plus he was quick and had a good pickoff move. - Slow Robinson