I am trying to find a website (or combination of sites) which shows
the track record of the Yomiuri Giants (a Tokyo-based Japanese
baseball team) over the last 10 years (i.e., where they finished in
the league and any major changes for their popularity), and also find
a site that allows me to easily track how they are doing this season
(just started in April).
In addition, any articles on the popularity (or decline in popularity)
of Japanese pro-baseball in the last few years would garner a good
tip.

http://pioneerbaseball.org

I assume that you don't read Japanese. If you do, you can simply go to
their homepage @ http://www.giants.jp...

I'll do some more research myself and see if I can find you a good site...

Tim Alvord
Webmaster
http://pioneerbaseball.org