American

See also:

• Recreation: Collecting: Sports: Football  (0)
• Shopping: Entertainment: Tickets: Sports: Football  (12)
• Sports: Football: Arena and Indoor  (87)
• Sports: Football: Canadian  (112)

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• PigskinHeaven.com - NFL, College, and fantasy football forums.
• Quarterback Passer Rating Calculator - Rates quarterbacks by attempts, completions, passing yards, touchdowns, and interceptions. NFL, NCAA, and Arena Football League calculations available.
• SearchQB.com - Customized search engine focused on football.
• Wikipedia: American football - Encyclopedia article covering the history of the sport, its popularity, rules, basic strategy, and physicality.