Entering the 2009 season under fourth-year head coach Brad Childress, expectations were soaring after Minnesota defended its divisional crown with a 10-6 record in 2008. The offseason produced a seismic shift across the NFL landscape when 40-year-old quarterback Brett Favre emerged from retirement to sign with his former archrival. Complementing Favre's arrival, the Vikings fortified their roster through the draft by selecting explosive wideout Percy Harvin and massive offensive tackle Phil Loadholt. The immediate returns surpassed even the loftiest hype, as Minnesota opened the year on a six-game winning streak and sprinted to a 12-4 regular season record. Securing 1st place in the NFC North and the conference's second seed, the Vikings assembled one of the most dominant two-way rosters in franchise history.

Offensively, the Vikings orchestrated a lethal multi-dimensional attack that finished 2nd in the league in scoring with 470 total points (29.4 ppg). Favre enjoyed a career renaissance, completing 68.4 percent of his passes for 4,202 yards, 33 touchdowns, and a microscopic 7 interceptions. His air assault was fueled by breakout wideout Sidney Rice, who caught 83 passes for 1,312 yards and 8 scores, alongside tight end Visanthe Shiancoe's 11 touchdown catches. When defenses adjusted to Favre's arm, All-Pro running back Adrian Peterson punished them on the ground, racking up 1,383 rushing yards and a league-leading 18 rushing touchdowns. Percy Harvin added instant electric versatility, posting 790 receiving yards and winning Offensive Rookie of the Year.

Defensively, Minnesota fielded a physical, suffocating unit that ranked 6th in total yards allowed and 10th in scoring defense, surrendering just 312 points (19.5 ppg). The front four completely erased opposing running games, finishing 2nd in rushing yards allowed conceding 1,394 and yielding a league-low 5 rushing touchdowns. First-Team All-Pro defensive end Jared Allen anchored the pass rush with 14.5 sacks, 19 tackles for loss, and a safety. Inside, defensive tackle Kevin Williams dominated the interior with 6.0 sacks, while linebacker Chad Greenway led the squad with 99 combined tackles. In the secondary, Cedric Griffin intercepted 4 passes and Pro Bowl cornerback Antoine Winfield provided aggressive run support to complete a formidable group.

Key rivalries and dramatic moments defined the high-octane campaign. In Week 3, Favre threw a legendary late touchdown pass to Greg Lewis to pull off a miracle comeback over San Francisco. Peak theater arrived via Favre's revenge sweep of Green Bay, highlighted by a 30-23 Monday Night Football victory in Week 4 and a 38-26 triumph at Lambeau Field in Week 8. Minnesota posted blowout divisional wins over Detroit (27-10) and Chicago (36-10) during a dominant midseason stretch. A brief late-season slump brought three losses over four games, but the Vikings answered emphatically in Week 17 by dismantling the New York Giants 44-7 to lock up their first-round playoff bye.

In the Divisional Round, Minnesota obliterated the Dallas Cowboys 34-3 at the Metrodome behind four touchdown passes from Favre. However, their fairytale pursuit came to a heartbreaking end in the NFC Championship Game against the New Orleans Saints. Despite outgaining New Orleans 475 yards to 257, five costly turnovers highlighted by a late fourth-quarter interception doomed Minnesota in a brutal 31-28 overtime defeat. Though falling one game short of the Super Bowl, the 2009 team remains one of the most iconic rosters in Vikings lore, producing a league-high 10 Pro Bowlers.