If you are a really big baseball geek, like me, check out Alan Schwarz's piece on the origins of current major league rosters.
Schwarz did a ton of research on what teams originally signed every player on a major league roster for Opening Day, 2005, (the Rangers were tied for 10th), total Win Shares for those players (the Rangers were tied for fourth), what round of the draft players were selected, and other tidbits...
A lot of cool data for us baseball geeks to sift through...