Single-Season Leaders for Walks Allowed

Minimum of 3.1 PA/G, 1.0 IP/G, and 0.1 decision/G for single-season leaderboards for rate statistics.

Rank	Player	Walks Allowed	Year
1.	Ryan Dempster	77	2002
2.	Carlos Zambrano	74	2007
3.	Ricky Romero	72	2013
3.	Darren Dreifort	71	2001
4.	CC Sabathia	65	2002