Back in the old days (mid-20th century), when you mentioned "links" you were talking about those great tasting Oscar Mayer Smokie Links that you could get for 35 cents at the ballpark.
But these links are to other great baseball sites.
Get out the mustard and enjoy!
Loads of great Cubs historical stuff: http://www.cubsbythenumbers.com/
Cubs fan forums: http://www.bleedcubbieblue.com/
Flip Flop Fly Ball (amazing and odd baseball graphs): http://www.flipflopflyin.com/flipflopflyball/index.html
To find quick stats on any team and player in baseball history (the site is usually updated within 24 hours of a game):http://www.baseball-reference.com/
Lots of stats (pretty in-depth, maybe TOO in-depth): http://www.hardballtimes.com/
Fun baseball facts, history, etc: http://www.baseball-almanac.com/
Great quotes: http://www.baseball-quotes.com/
Sounds of Baseball: Songs, game clips, etc: http://contursi.freeyellow.com/baseballtour/sounds.html
And of course: MLB.com: http://mlb.mlb.com/index.jsp and Cubs.com: http://chicago.cubs.mlb.com/index.jsp?c_id=chc