How the 2021 San Francisco 49ers turned a mid-season slump into a playoff run
In short: After a dismal 3–5 start, the San Francisco 49ers defied expectations to reach the NFC Championship. Their 2021 season was defined by a top-tier defense, a dramatic overtime comeback against the Rams, and a postseason surge that saw them upset two favored opponents before falling just short of the Super Bowl.
The 2021 season marked the 75th anniversary of the 49ers' founding in 1946 and the fifth year under the leadership of head coach Kyle Shanahan and general manager John Lynch. Despite high hopes, the team struggled early, falling to a 3–5 record following an embarrassing loss to an injury-depleted Arizona Cardinals roster. The team’s fortunes shifted in the second half of the season, as they won seven of their final nine games. This turnaround was anchored by a formidable defense that ranked third in the league, allowing only 310 yards per game, and a balanced offense that averaged 376 yards.
The path to the postseason was secured in a dramatic Week 18 victory against the Los Angeles Rams. Trailing 17–0, the 49ers rallied to win 27–24 in overtime, with Ambry Thomas clinching the playoff spot via a late interception of Matthew Stafford. This victory extended their winning streak against the Rams to seven consecutive games, though the Rams would later exact revenge in the postseason. Entering the playoffs, the 49ers were considered underdogs, yet they immediately upset the Dallas Cowboys 23–17 in the wild-card round, holding the league's highest-scoring offense to just 17 points.
In the divisional round, the 49ers faced the top-seeded Green Bay Packers at a snowy Lambeau Field. The game was a defensive struggle, with the 49ers special teams providing the critical edge through a blocked field goal and a blocked punt returned for a touchdown. Robbie Gould’s game-winning field goal as time expired sent the 49ers to their 17th NFC Championship appearance. However, their run concluded in the championship game against the Rams. Despite leading 17–7 in the second half, the 49ers surrendered 13 unanswered points, ultimately losing 20–17 to the eventual Super Bowl champions.
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Sources
- Summary by Intellect · source: 2021 San Francisco 49ers season
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