ºÚÁÏÉç

Major League Baseball history is built on moments — swings, pitches, and split-second plays that reshaped seasons and, in some cases, entire franchises. From walk-off home runs in winner-take-all games to clutch hits under October pressure, the biggest plays often came when the stakes were highest. identified the most impactful plays in Houston Astros history using data from . Plays were ranked by their Championship Win Probability Added (cWPA), a metric that measures how much a single play changed a team's odds of winning the World Series.

#10. October 23, 2005 (WS Gm 2)
- Score: down 6-4 (9th inning, 2 outs)
- Opponent: CWS
- Event: 1B
- Play Description: Single to LF (Line Drive); J. Bagwell Scores; C. Burke Scores; J. Vizcaíno to 2B (Advanced on throw) on throw to Hm
- cWPA: 10.91%

#9. October 29, 2017 (WS Gm 5)
- Score: down 4-1 (4th inning, 1 out)
- Opponent: LAD
- Event: HR
- Play Description: Home Run (Fly Ball); J. Altuve Scores; C. Correa Scores
- cWPA: 11.31%

#8. October 29, 2017 (WS Gm 5)
- Score: down 8-7 (7th inning, 0 outs)
- Opponent: LAD
- Event: HR
- Play Description: Home Run (Line Drive)
- cWPA: 11.38%

#7. October 12, 1980 (NLCS Gm 5)
- Score: tied 2-2 (7th inning, 2 outs)
- Opponent: PHI
- Event: 1B
- Play Description: Single to RF; T. Puhl Scores; J. Cruz to 3B
- cWPA: 12.00%

#6. October 15, 1986 (NLCS Gm 6)
- Score: down 4-3 (14th inning, 1 out)
- Opponent: NYM
- Event: HR
- Play Description: Home Run (Deep LF Line)
- cWPA: 12.76%

#5. October 20, 2023 (ALCS Gm 5)
- Score: down 4-2 (9th inning, 0 outs)
- Opponent: TEX
- Event: HR
- Play Description: Home Run (Fly Ball to Deep LF); Y. Diaz Scores; G. Kessinger Scores
- cWPA: 14.01%

#4. November 05, 2022 (WS Gm 6)
- Score: down 1-0 (6th inning, 1 out)
- Opponent: PHI
- Event: HR
- Play Description: Home Run (Fly Ball to Deep CF); J. Altuve Scores; J. Peña Scores
- cWPA: 15.71%

#3. October 29, 2017 (WS Gm 5)
- Score: down 7-4 (5th inning, 2 outs)
- Opponent: LAD
- Event: HR
- Play Description: Home Run (Fly Ball); G. Springer Scores; A. Bregman Scores
- cWPA: 16.66%

#2. October 12, 1980 (NLCS Gm 5)
- Score: down 7-6 (8th inning, 2 outs)
- Opponent: PHI
- Event: 1B
- Play Description: Single to CF; T. Puhl Scores; R. Landestoy to 3B
- cWPA: 17.26%

#1. October 29, 2017 (WS Gm 5)
- Score: tied 12-12 (10th inning, 2 outs)
- Opponent: LAD
- Event: 1B
- Play Description: *WALK-OFF*:Single to LF (Line Drive); D. Fisher Scores; G. Springer to 2B
- cWPA: 19.34%