Bill Buckner, Babe Ruth, Willie Davis: The 10 worst MLB postseason blunders ever

Bill Buckner's name is inseparable from one play, according to www.sportskeeda.com. In Game 6 of the 1986 World Series against the New York Mets, the Boston Red Sox first baseman committed the blunder that still defines his legacy.
The Red Sox entered that game with a 3-2 lead in the series. With the score tied 5-5 in the 10th inning, Buckner let Mookie Wilson's slow grounder trickle between his legs at first base. Ray Knight scored from second, and the Mets won the contest to force a decisive Game 7, which New York took to claim the World Series title.
The play is widely remembered as one of the biggest postseason mistakes in baseball history. The source offers no additional details about Buckner's career or its aftermath.
THE ONLY WORLD SERIES DECIDED ON A FAILED STEAL

Babe Ruth's name is remembered for legendary home runs, but one failed steal attempt in the 1926 World Series cost the New York Yankees the title, according to www.sportskeeda.com.
With the Yankees trailing 3-2 in the ninth inning of Game 7 against the St. Louis Cardinals, Ruth dashed from first base to steal second. Cardinals catcher Bob O'Farrell threw to second baseman Rogers Hornsby, who tagged Ruth out.
The failed attempt ended the game and the series, giving the Cardinals the championship. The source does not specify the exact score at the time of the steal attempt beyond the 3-2 deficit, but the play sealed the Yankees' fate.
It is the only World Series ever decided on a failed steal attempt, per the source. One of the game's greatest sluggers is now remembered for a moment of aggression that backfired at the worst possible time.

THREE ERRORS IN ONE INNING
Willie Davis of the Los Angeles Dodgers committed three errors in the fifth inning of Game 2 of the 1966 World Series against the Baltimore Orioles, according to www.sportskeeda.com.
He dropped a routine fly ball from Paul Blair, then another from Andy Etchebarren, and made a wild throw to third base. The cascade of mistakes allowed the Orioles to tally three unearned runs in a 6-0 Dodgers loss.
The Dodgers lost the next two games and were swept by the Orioles in the Fall Classic. Davis, a two-time World Series champion during his 13-year stint with the NL West franchise, now holds the record for most errors by a player in a World Series inning, per the source.

The source does not mention any other details about Davis's career beyond those two titles and his 13-year tenure. But this single inning overshadowed it all, turning a routine fifth frame into the defining blemish of his postseason legacy.
A LIST OF COSTLY MISTAKES
The article from www.sportskeeda.com lists the biggest mistakes in MLB postseason history, starting with Buckner, Ruth, and Davis. The source notes that the 2026 MLB postseason has already had memorable moments, but also questionable individual plays, as in previous years.
High-profile mistakes are remembered by fans just as much as heroic moments. While heroic individual moments from the postseason are often recorded in the history books, baseball fans also remember the blunders that cost their team dearly, per the source.

The list includes at least four entries, with Mickey Owen of the Brooklyn Dodgers mentioned as #4, though the source text is cut off. Owen's full story is not detailed in the available material.
Each mistake cost the player's team dearly, often in a World Series or decisive game. Buckner's error forced a Game 7 the Red Sox lost. Ruth's failed steal ended Game 7 and handed the Cardinals the title. Davis's three errors helped the Orioles sweep the Dodgers.
The full list of 10 mistakes is not provided in the source material; only the first four are partially described. The remaining entries, and whether they involve similar game-deciding errors or other types of blunders, have not been confirmed.
WHAT TO WATCH NEXT
The 2026 MLB postseason has already produced several memorable moments, according to www.sportskeeda.com. It has also featured questionable individual plays, much like in previous years.
The source frames this list as a historical retrospective, not a live tracker. No specific upcoming games, dates, or players are mentioned, and that has not been confirmed by the article.
Still, the implication is clear: any new high-profile mistake during the 2026 postseason could join Buckner, Ruth, Davis, and Owen on this infamous list. Fans watching this October know one bad hop or one bold decision can rewrite a legacy in a single pitch.
The list remains a cautionary tale rather than a prediction. Whether this year's playoffs add a fifth name—or a tenth—is entirely unconfirmed. The only certainty is that every error, like every heroics, gets remembered.
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