While I'm not on Twitter, I do find it rather amusing that a ballplayer from the 19th Century, Old Hoss Radbourn is on the social media site and actually was voted on a site as a sports personality to follow. He has almost 18,000 followers!
http://twitter.com/OldHossRadbourn
Samples:
I am not saying A. Rhodes is old, but he did once strike out Nebuchadnezzar back in the Nineveh League.
I think D. Matsuzaka is showing us all that the value of one soul is at least six innings.
DanC