My favorite is the 80's. That was the time period that I became a baseball fan and so it brings back many good memories. I can picture what the baseball cards look like for some players and will dig them out of the now 30+ year old cardboard shoebox and setup the lineup.
Yeah, my wife makes fun of me. Says I'm 43 going on 10 or 12. But hey...now I can drink beer while I enjoy a baseball game.

I'd love to see the 80's add some more players so that 24 team leagues could take place in it. I enjoy the 24 team leagues much more, as they more closely resemble a real baseball season.