Progressive Strikeouts per 9IP
Leaderboard
 
This table is a snapshot of the career, single-season, active, and yearly leaders at the end of each season.
* - Indicates Hall of Fame
Bold - Indicates active player
Year    Career K9    Single-Season K9    Active K9    Yearly K9 
2009      Michael Arnett 11.32      Michael Arnett 11.32 
2010      Michael Arnett 11.32      Bobby Grimes 11.13 
2011      Ronald Koenig 11.42      Ronald Koenig 11.42 
2012    James Sousa 9.93    Deangelo Ceja 11.47    James Sousa 9.93    Deangelo Ceja 11.47 
2013    Miles Farrelly 10.57    Deangelo Ceja 12.60    Miles Farrelly 10.57    Deangelo Ceja 12.60 
2014    Ronald Koenig 10.96    Deangelo Ceja 12.60    Ronald Koenig 10.96    Danial Hayes 12.32