We rebuilt every postseason from 1995 to 2025 from MLB's Stats API, with each season's final standings to identify the 98 wild cards. They also won 16 pennants, against 16.5 for a coin flip, and have beaten division winners in 57 series while losing 59.
Wild card World Series winners, and every wild card pennant
The eight champions are the 1997 and 2003 Florida Marlins, the 2002 Anaheim Angels, the 2004 Boston Red Sox, the 2011 St. Louis Cardinals, the 2014 San Francisco Giants, the 2019 Washington Nationals and the 2023 Rangers. Eight other wild cards won a pennant and lost the World Series, and three World Series, in 2002, 2014 and 2023, were played between two wild cards. MLB.com's own list of the 16 matches ours.
| Year | Wild card | Record | World Series | Opponent |
|---|---|---|---|---|
| 1997 | Florida Marlins | 92-70 | Won 4-3 | Cleveland Indians |
| 2000 | New York Mets | 94-68 | Lost 1-4 | New York Yankees |
| 2002 | Anaheim Angels | 99-63 | Won 4-3 | San Francisco Giants |
| 2002 | San Francisco Giants | 95-66 | Lost 3-4 | Anaheim Angels |
| 2003 | Florida Marlins | 91-71 | Won 4-2 | New York Yankees |
| 2004 | Boston Red Sox | 98-64 | Won 4-0 | St. Louis Cardinals |
| 2005 | Houston Astros | 89-73 | Lost 0-4 | Chicago White Sox |
| 2006 | Detroit Tigers | 95-67 | Lost 1-4 | St. Louis Cardinals |
| 2007 | Colorado Rockies | 90-73 | Lost 0-4 | Boston Red Sox |
| 2011 | St. Louis Cardinals | 90-72 | Won 4-3 | Texas Rangers |
| 2014 | San Francisco Giants | 88-74 | Won 4-3 | Kansas City Royals |
| 2014 | Kansas City Royals | 89-73 | Lost 3-4 | San Francisco Giants |
| 2019 | Washington Nationals | 93-69 | Won 4-3 | Houston Astros |
| 2022 | Philadelphia Phillies | 87-75 | Lost 2-4 | Houston Astros |
| 2023 | Texas Rangers | 90-72 | Won 4-1 | Arizona Diamondbacks |
| 2023 | Arizona Diamondbacks | 84-78 | Lost 1-4 | Texas Rangers |
Against division winners, wild cards are 5-5 in the World Series, and three of the champions beat a 100-win team there: the 2003 Marlins beat the 101-win New York Yankees, the 2004 Red Sox the 105-win Cardinals and the 2019 Nationals the 107-win Houston Astros. The 2023 Arizona Diamondbacks reached the World Series with 84 wins, the fewest of any wild card pennant winner.
How often wild card teams win the World Series, format by format
The wild card has gone through four formats since it arrived with the three-division leagues, and MLB's history of the wild card sets out each one:
- 1995-2011: one wild card per league, the team with the best record among those that did not win a division. It went straight into the Division Series and could not face a team from its own division there.
- 2012-2019 and 2021: a second wild card in each league, with the two meeting in a one-game Wild Card Game. The restriction on same-division matchups was dropped.
- 2020: a 16-team field for the 60-game season, with three division winners, three second-place teams and two wild cards per league, all starting in a best-of-three Wild Card Series.
- Since 2022: 12 teams, with three wild cards in each league. The two best division winners skip the first round, and the best-of-three Wild Card Series pairs the third seed with the sixth and the fourth with the fifth, with every game at the higher seed's park.
| Format | Seasons | Wild cards | Reached LCS | Pennants | Titles | Coin-flip titles |
|---|---|---|---|---|---|---|
| One wild card, 1995-2011 | 17 | 34 | 18 | 10 | 5 | 4.25 |
| Wild Card Game, 2012-19 and 2021 | 9 | 36 | 9 | 3 | 2 | 2.25 |
| 16 teams, 2020 | 1 | 4 | 0 | 0 | 0 | 0.25 |
| Three wild cards, 2022-25 | 4 | 24 | 6 | 3 | 1 | 1.50 |
| All | 31 | 98 | 33 | 16 | 8 | 8.25 |
The coin-flip benchmark is simple arithmetic. If every series were 50-50, a wild card needing three series wins would take the title one time in eight, and one needing four, one time in 16. That gives wild cards a quarter of the titles under each of the first three formats, with the Wild Card Game making two of them play for one Division Series spot, and 37.5 percent since 2022. Over 31 seasons it comes to 8.25 titles and 16.5 pennants; wild cards won 8 and 16.
The original format was the best for them. From 1995 to 2011, wild cards won 5 titles against 4.25 expected and 10 pennants against 8.5. From 2012 on, they have won 3 titles against 4.0 and 6 pennants against 8.0.
Wild cards against division winners, round by round
Wild cards have met division winners in 116 playoff series and won 57, or 49 percent. To compare that with what their records deserved, we converted each pairing's regular-season winning percentages into a chance of winning the series, as explained at the end.
| Round | Won-lost | Win rate | Predicted by records |
|---|---|---|---|
| Wild Card round | 5-7 | 42% | 42% |
| Division Series | 33-32 | 51% | 43% |
| League Championship Series | 14-15 | 48% | 47% |
| World Series | 5-5 | 50% | 43% |
| All rounds | 57-59 | 49% | 44% |
The records predicted about 51 series wins; wild cards got 57, roughly one standard deviation more, a gap that chance alone can explain. Most of it came in the Division Series, where they won 33 of 65 against 28 predicted. The Wild Card Game winners of 2012-2019 and 2021 always drew the team with the league's best record there and still won 9 of 18.
A big regular season has been no guarantee. The 2021 Los Angeles Dodgers won 106 games, the most by any wild card, and lost in the NLCS; the 102-60 Oakland Athletics of 2001 lost in the Division Series; and the 101-61 New York Mets of 2022 went out in a best-of-three Wild Card Series against the San Diego Padres.
MLB Wild Card Series history, from one game to best-of-three
Home teams won 9 of the 18 one-game Wild Card Games played in 2012-2019 and 2021. The best-of-three Wild Card Series that replaced it puts every game at the higher seed's park, and from 2022 to 2025 the edge did not show: higher seeds won 7 of the 16 series and home teams 17 of the 37 games, 46 percent, while MLB home teams won 52.8 percent of 2026 regular-season games through mid-September. Eleven of the 16 series ended in two games.
Sixth seeds, the only wild cards that open against a division winner, beat the third seeds 5 times in 8, and fifth seeds beat fourth seeds 4 times in 8. What the top two seeds gain by skipping the round is covered in our analysis of the MLB playoff bye.
The 16-team version of 2020 went more to form: higher seeds won 5 of the 8 series, and the four wild cards all lost their first-round series to division winners. The second-place teams, which MLB counted separately, did better. Four of the six won their first series, and the Houston Astros reached the ALCS at 29-31.
The 2026 wild cards and their Wild Card Series
The 2026 Wild Card Series runs from Tuesday, September 29 to Thursday, October 1, and the Division Series starts on Saturday, October 3. This is the bracket as of September 29, before any Game 1 had finished.
| League | Visitor | Host | Winner plays |
|---|---|---|---|
| AL | No. 6 Chicago White Sox (84-78) | No. 3 Houston Astros (81-81) | No. 2 Cleveland Guardians |
| AL | No. 5 Boston Red Sox (87-75) | No. 4 New York Yankees (93-68) | No. 1 Tampa Bay Rays |
| NL | No. 6 Philadelphia Phillies (88-74) | No. 3 Atlanta Braves (94-68) | No. 2 Los Angeles Dodgers |
| NL | No. 5 Chicago Cubs (89-73) | No. 4 San Diego Padres (91-71) | No. 1 Milwaukee Brewers |
All three American League wild cards finished with better records than Houston, and the White Sox, at +56 in run differential to the Astros' -32, are the second sixth seed since 2022 to open against a third seed with a worse record. The first, the 89-73 Toronto Blue Jays of 2023, were swept by the 87-75 Minnesota Twins.
Because the fourth and fifth seeds play each other, a wild card is certain to reach the Division Series in each league. A coin-flip bracket gives the six wild cards together a 37.5 percent chance of producing the champion; our World Series odds, which weigh each team's run differential, give them 30 percent, led by the Yankees at 9.1 percent. Final 2026 results and division standings are on the Vertize MLB schedule, and the MLB season simulator plays out what is left of a season to settle the division titles and the wild cards.
Wild card teams and the World Series: frequently asked questions
How many wild card teams have won the World Series? Eight: the 1997 and 2003 Florida Marlins, the 2002 Anaheim Angels, the 2004 Boston Red Sox, the 2011 St. Louis Cardinals, the 2014 San Francisco Giants, the 2019 Washington Nationals and the 2023 Texas Rangers.
Who was the last wild card team to win the World Series? The 2023 Texas Rangers, who went 90-72 in the regular season and beat another wild card, the Arizona Diamondbacks, 4-1.
How often do wild card teams win the World Series? In 8 of the 31 seasons from 1995 to 2025, or 26 percent. Since the 12-team format began in 2022, one of the four titles and three of the eight pennants have gone to a wild card.
Has a World Series been played between two wild cards? Three times: the Angels beat the Giants in 2002, the Giants beat the Kansas City Royals in 2014 and the Rangers beat the Diamondbacks in 2023.
How does the MLB Wild Card Series work? In each league the third seed plays the sixth and the fourth plays the fifth, best of three, with every game at the higher seed's park. The winners join the top two seeds in the Division Series.
How this was built: every postseason series from 1995 to 2025 and each season's final standings, which identify the wild cards, from MLB's Stats API; following MLB, the 2020 second-place teams are not counted as wild cards. Suspended games count once and regular-season tiebreaker games are left out. The coin-flip benchmark gives every series a 50 percent chance. The records benchmark turns the two teams' regular-season winning percentages into a one-game probability with the log5 formula, then into the chance of winning the series, without home field. The 2026 bracket is from the same API on the afternoon of September 29, 2026, before any Wild Card Series game had finished.