If you search the name of an NFL (American football) team the results page will show recent scores by quarter and the next scheduled game.

For a common name, such as "jets", you may need to include the city.
The Steelers did not have a game this week (12 Oct 2008) and do not have a score listed.

The below examples include gl=us in hopes of this working outside the United States.

Steelers
http://www.google.com/search?gl=us&num=1&q=steelers

New York Jets
http://www.google.com/search?gl=us&num=1&q=new+york+jets