Create Custom Leaderboards
The Baseball-Reference.com Play Index's Batting Season Finder lets you create your own custom leaderboards by team, age, position, years, or any other common criteria. View Sample Leaderboards created with the batting season finder.
Progressive Leaders & Records for Bases on Balls/9IP
Baseball Leaders & Baseball Records:
Single-Season
Career
Active
Progressive
Year-by-Year League
Click on the Player for career stats and accomplishments.
+ - Indicates Hall of Famer. Bold indicates active player
Minimum of 3.1 PA/G, 1.0 IP/G, and 0.1 decision/G for single-season leaderboards generally needed for rate statistics. Explanation of min. requirements
Minimum of 1000 IP, 3000 PA and 100 decisions for career and active leaderboards for rate statistics.