He batted against spitballs, shineballs, emeryballs and all the other trick deliveries. He never figured anything out or studied anything with the same scientific approach I gave it. He just swung. If he'd ever had any knowledge of batting, his average would have been phenomenal. ... he seemed content to just punch the ball, and I can still see those line drives whistling to the far precincts. Joe Jackson hit the ball harder than any man ever to play baseball.