Some of my favorites:
"Show me a pitcher who can't pitch inside and I'll show you a loser"
"Pitching is the art of instilling fear"
Sandy Koufax
"Barry Bonds? I'll tell you what, if he hit a home run off (Bob) Gibson or (Don) Drysdale and stood and admired it, they'd knock that earring out of his ear the next time up." - National League Umpire Doug Harvey
"I hated to bat against (Don) Drysdale. After he hit you he'd come around, look at the bruise on your arm and say, 'Do you want me to sign it?'" - Mickey Mantle
"If there was ever a man born to be a hitter it was me." Ted Williams
"You spend a good piece of your life gripping a baseball and in the end it turns out that it was the other way around all the time."
Jim Bouton
Here is a good site for qoutes.
Quotes