Biggest plays in Seattle Mariners history
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 Seattle Mariners 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.
#4. October 08, 1995 (ALDS2 Gm 5)
- Score: down 5-4 (11th inning, 0 outs)
- Opponent: NYY
- Event: 1B
- Play Description: Single to CF (Ground Ball thru SS-2B); J. Cora to 3B
- cWPA: 7.86%
#3. October 17, 2025 (ALCS Gm 5)
- Score: down 2-1 (8th inning, 0 outs)
- Opponent: TOR
- Event: HR
- Play Description: Home Run (Fly Ball to Deep LF Line)
- cWPA: 7.87%
#2. October 08, 1995 (ALDS2 Gm 5)
- Score: down 5-4 (11th inning, 0 outs)
- Opponent: NYY
- Event: 2B
- Play Description: *WALK-OFF*:Double to LF (Line Drive); J. Cora Scores; K. Griffey Scores
- cWPA: 8.12%
#1. October 13, 1995 (ALCS Gm 3)
- Score: tied 2-2 (11th inning, 2 outs)
- Opponent: CLE
- Event: HR
- Play Description: Home Run (Fly Ball to Deep CF-RF); J. Cora Scores; T. Martinez Scores
- cWPA: 9.08%
