http://www.geocities.com/cpa68/tecmo.html
Another Tecmo site similar to the style of this one.  Also includes other cool video games such as Rad Racer, Mario Bros. and Bond for 64.

 

http://www.megalong.com/games/game.asp?gameID=2451

Gives a brief over view of a variety of games, including ones for NES, which is rare.

http://www.rotoguru.com/

A fantasy league site.  Includes all sports.  The best of which is the Football Pickoff.  Free to join.

http://www.footballoutsiders.com/

A different look at NFL statistics.  Awesome site.

http://tecmobowl.knobbe.org/

A great site for Tecmo Super Bowl.  Plenty of rankings and stats.

 http://www.knobbe.org/links.htm

Resources for all things Tecmo.  Includes message boards.