Baseball fans, can you help me identify who these are?

[macainautos]

Hi,

I was wondering if anyone out there could help me with identifying these autographs. My dad has had them for a while, and we've been unable to figure them out. Any help would be greatly appreciated! Here are the pictures:

Ball 1: http://img543.imageshack.us/f/ball1z.jpg/

Ball 2: http://img828.imageshack.us/f/ball2.jpg/

Ball 3: http://img858.imageshack.us/f/ball3.jpg/

Ball 4: http://img710.imageshack.us/f/ball4.jpg/

Thanks,
R-Mac