BudGoodeSports - Statistics from a statistical consultant to 21 out of the 31 NFL teams.Statrageous - Statistical information for fantasy players and fans, including player stats, projections, wekly matchups, and cheat sheets.
Stats Index - NFL.com - Statistics by team or player for both the regular and post-season.
NFL Stats - CBS.SportsLine.com - Preseason, NFL, AFC, and NFC statistics.
NFL Statistics - CNN/SI - Search for all types for statistics by player, league, or team.
NFL Statistics Index - ESPN.com - Browse leaders by team, player, or individual statistic.
TwoMinuteWarning.com - Innovative statistical coverage of the NFL, including drive chart stats, play by play breakdowns, and "directional rushing" tables.
NFL Statistics - Stats by season or by week.
Quarterback Passer Rating Calculator - Rates quaterbacks by attempts, completions, passing yards, touchdowns, and interceptions.
Statistics and Leaders - The Sporting News - League leaders and team stats.
NFL Trends, Tables, ad-hoc Queries - 10 years of historic NFL stats presented in trends, tables and the best ad-hoc query capability on the web.
NFL Search - Archive with team statistics, final season standings, and game scores beginning from 1950.
JFM's NFL Power Ratings - NFL power ratings with home field advantages. Also includes tendency graphs.
Sonny Moore's NFL Computer Power Ratings - Power ratings that can be used to predict game outcomes. Ranks teams according to power rating strength.