Single-A Single-Season On-Base Percentage Record Progression
Every season that raised the bar, and the leader in every season between.
The Single-A single-season on-base percentage record is .464, set by Sean Burroughs in 1999. It has stood for 27 years. The mark has been raised 5 times since 1990.
Record Holders
6 marks since 1990| Year | Player | OBP | Stood for |
|---|---|---|---|
| 1999 | Sean Burroughs | .464 | still standing |
| 1995 | Jeff Ladd | .454 | 4 years |
| 1994 | Robert Morris | .443 | 1 year |
| 1992 | Quilvio Veras | .441 | 2 years |
| 1991 | Kyle Washington | .436 | 1 year |
| 1990 | Scott Pose | .435 | 1 year |
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.
Every Season
36 seasons| Year | Leader | OBP | |
|---|---|---|---|
| 2026 | Brady Ebel | .417 | |
| 2025 | Alfredo Duno | .430 | |
| 2024 | Rikuu Nishida | .414 | |
| 2023 | Mario Camilletti | .432 | |
| 2022 | Austin Gauthier | .461 | |
| 2021 | Braxton Martinez | .445 | |
| 2019 | Dwanya Williams-Sutton | .411 | |
| 2018 | Ryan Noda | .421 | |
| 2017 | Fernando Tatis Jr. | .390 | |
| 2016 | Jake Cronenworth | .429 | |
| 2015 | Shane Hoelscher | .422 | |
| 2014 | Clint Coulter | .410 | |
| 2013 | Greg Bird | .428 | |
| 2012 | Matt Skole | .438 | |
| 2011 | Robby Price | .426 | |
| 2010 | Mike Trout | .454 | |
| 2009 | Jaff Decker | .442 | |
| 2008 | Ben Revere | .433 | |
| 2007 | Andrew Lefave | .432 | |
| 2006 | Sergio Pedroza | .437 | |
| 2005 | Cesar Nicolas | .428 | |
| 2004 | Daric Barton | .445 | |
| 2003 | Jorge Cortes | .427 | |
| 2002 | Scott Hairston | .426 | |
| 2001 | Jason Bay | .449 | |
| 2000 | Nate Espy | .439 | |
| 1999 | Sean Burroughs | .464 | new record |
| 1998 | Richard Paz | .453 | |
| 1997 | Roger Horne | .434 | |
| 1996 | Carlos Mendoza | .452 | |
| 1995 | Jeff Ladd | .454 | new record |
| 1994 | Robert Morris | .443 | new record |
| 1993 | Tripp Keister | .437 | |
| 1992 | Quilvio Veras | .441 | new record |
| 1991 | Kyle Washington | .436 | new record |
| 1990 | Scott Pose | .435 | new record |