MLB Postseason Single-Season Triples Record Progression
Every season that raised the bar, and the leader in every season between.
The MLB Postseason single-season triples record is 4, set by Tommy Leach in 1903. It has stood for 122 years. The mark has been raised 0 times since 1903.
Record Holders
1 marks since 1903| Year | Player | 3B | Stood for |
|---|---|---|---|
| 1903 |
 Tommy Leach
|
4 | still standing |
The earliest marks here are records only in the sense that nobody had done better yet. Season length, schedule and the rules themselves have all changed, so a figure from the 1870s is not comparable with a modern one and is not offered as though it were.