This article is about the American football season in the United States. For the Gaelic football season in Ireland, see 2004 National Football League (Ireland).
With the New England Patriots as the defending league champions, regular season play was held from September 9, 2004, to January 2, 2005. Hurricanes forced the rescheduling of two Miami Dolphins home games: the game against the Tennessee Titans was moved up one day to Saturday, September 11 to avoid oncoming Hurricane Ivan, while the game versus the Pittsburgh Steelers on Sunday, September 26 was moved back 7½ hours to miss the eye of Hurricane Jeanne.
Midway through the season, Johnny Grier, the NFL's first African-American referee, suffered a leg injury that forced him to retire. He was permanently replaced by the back judge on his crew, Scott Green, who had previous experience as a referee in NFL Europe.
Due to several incidents during the previous year, officials are authorized to penalize excessive celebration. The 15-yard unsportsmanlike conduct penalty will be marked off from the spot at the end of the previous play or, after a score, on the ensuing kickoff. If the infraction is ruled flagrant by the officials, the player(s) are ejected.
A punt or missed field goal that is untouched by the receiving team is immediately dead once it touches either the end zone or any member of the kicking team in the end zone. Previously, a punt or missed field goal that lands in the end zone before being controlled by the kicking team could be picked up by a member of the receiving team and immediately run the other way.
Teams will be awarded a third instant replay challenge if their first two are successful. Previously, teams were only limited to two regardless of what occurred during the game.
The one-bar facemask was outlawed. The few remaining players who still used the one-bar facemask at the time were allowed to continue to use the style for the remainder of their career under a grandfather clause. (Scott Player was the last player to wear the one-bar facemask in 2007).
Pat Tillman former safety for the Arizona Cardinals was killed during a friendly fire incident during the war in Afghanistan.
Reggie White former defensive end for the Green Bay Packers, Philadelphia Eagles, and Carolina Panthers unexpectedly died on December 26, 2004, just seven days after his 43rd birthday from complications of sleep apnea.
^ abIndianapolis clinched the AFC #3 seed instead of San Diego based upon head-to-head victory.
^ abNew York Jets clinched the AFC #5 seed instead of Denver based upon better record against common opponents (New York Jets were 5–0 to Denver’s 3–2 against San Diego, Cincinnati, Houston, and Miami).
^ abcJacksonville and Baltimore finished ahead of Buffalo because they each defeated Buffalo head-to-head.
^ abJacksonville finished ahead of Baltimore based upon better record against common opponents (Jacksonville were 3–2 against Baltimore’s 2–3 versus Pittsburgh, Indianapolis, Buffalo and Kansas City).
^ abHouston finished ahead of Kansas City based upon head-to-head victory.
^ abOakland finished ahead of Tennessee based upon head-to-head victory.
^ abMiami finished ahead of Cleveland based upon head-to-head victory.
^When breaking ties for three or more teams under the NFL's rules, they are first broken within divisions, then comparing only the highest-ranked remaining team from each division.
^ abcSt. Louis clinched the NFC #5 seed instead of Minnesota or New Orleans based on better conference record (7–5 to Minnesota’s 5–7 to New Orleans’ 6–6).
^ abMinnesota clinched the NFC #6 seed instead of New Orleans based on head-to-head victory.
^ abcdeDetroit finished ahead of Arizona and New York Giants based upon head-to-head record (2–0 versus Arizona’s 1–1 and New York Giants’ 0–2). Division tiebreak was initially used to eliminate Dallas and Washington.
^ abcNew York Giants finished ahead of Dallas and Washington in the NFC East based on better head-to-head record (3–1 to Dallas‘ 2–2 to Washington’s 1–3).
^ abDallas finished ahead of Washington in the NFC East based on head-to-head sweep.
^ abTampa Bay finished ahead of Chicago based upon head-to-head victory.
^When breaking ties for three or more teams under the NFL's rules, they are first broken within divisions, then comparing only the highest-ranked remaining team from each division.
Within each conference, the four division winners and the top two non-division winners with the best overall regular season records) qualified for the playoffs. The four division winners are seeded 1–4 based on their overall won-lost-tied record, and the wild card teams are seeded 5–6. The NFL does not use a fixed bracket playoff system, and there are no restrictions regarding teams from the same division matching up in any round. In the first round, dubbed the wild-card playoffs or wild-card weekend, the third-seeded division winner hosts the sixth-seed wild card, and the fourth seed hosts the fifth. The 1 and 2 seeds from each conference received a first-round bye. In the second round, the divisional playoffs, the number 1 seed hosts the worst-surviving seed from the first round (seed 4, 5, or 6), while the number 2 seed will play the other team (seed 3, 4, or 5). The two surviving teams from each conference's divisional playoff games met in the respective AFC and NFC Conference Championship games, hosted by the higher seed. Although the Super Bowl, the championship round of the playoffs, is played at a neutral site, the designated home team is based on an annual rotation by conference.[3]
The Colts led the NFL with 522 points scored. The Colts tallied more points in the first half of each of their games of the 2004 NFL season (277 points) than seven other NFL teams managed in the entire season.[6] Despite throwing for 49 touchdown passes, Peyton Manning attempted fewer than 500 passes for the first time in his NFL career.[7] The San Francisco 49ers' record 420 consecutive scoring games that had started in Week 5 of the 1977 season ended in Week 2 of the season.
Oakland Raiders: Network Associates Coliseum was renamed McAfee Coliseum to reflect naming right holder, Network Associates, changing its name to McAfee.
The Cincinnati Bengals introduced new uniforms, featuring black jerseys with orange tiger-striped sleeves, white jerseys with black tiger-striped sleeves, and orange third alternate uniforms. A new logo featuring an orange "B" with black tiger stripes was also unveiled.
The Chicago Bears added orange third alternate uniforms.
The Indianapolis Colts switched from blue face masks and white shoes to gray face masks and black shoes
The Jacksonville Jaguars made modification to their white uniforms, changing the teal number with black and gold trim to black numbers with gold and teal trim. Also introduced were new black pants with the Jaguars logo on hip.
This was the seventh year under the league's eight-year broadcast contracts with ABC, CBS, Fox, and ESPN to televise Monday Night Football, the AFC package, the NFC package, and Sunday Night Football, respectively.
ESPN play-by-play announcer Mike Patrick missed the first few broadcasts to recover from heart bypass surgery. Pat Summerall filled in those weeks for Patrick.
Starting this season CBS, Fox, ABC, and ESPN started broadcasting regular season games in High Definition. CBS would do select games weekly, while Fox, ABC, and ESPN broadcast every game weekly.