MLB Single Season Leaders - Wins

1. Randy Johnson 24 (2002)
2. Curt Schilling 23 (2002)
-- Barry Zito 23 (2002)
4. Matt Morris 22 (2001)
-- Curt Schilling 22 (2001)
-- Roy Halladay 22 (2003)
-- Dontrelle Willis 22 (2005)
-- Cliff Lee 22 (2008)
-- Brandon Webb 22 (2008)
9. Tom Glavine 21 (2000)
-- Mark Mulder 21 (2001)
-- Randy Johnson 21 (2001)
-- Derek Lowe 21 (2002)
-- Esteban Loaiza 21 (2003)
-- Jamie Moyer 21 (2003)
-- Andy Pettitte 21 (2003)
-- Curt Schilling 21 (2004)
-- Bartolo Colon 21 (2005)
-- Chris Carpenter 21 (2005)
18. Darryl Kile 20 (2000)
--- Tim Hudson 20 (2000)
--- David Wells 20 (2000)
--- Jon Lieber 20 (2001)
--- Jamie Moyer 20 (2001)
--- Roger Clemens 20 (2001)
--- Pedro Martinez 20 (2002)
--- Bartolo Colon 20 (2002)
--- Roy Oswalt 20 (2004)
--- Johan Santana 20 (2004)
--- Roy Oswalt 20 (2005)
--- Josh Beckett 20 (2007)
--- Roy Halladay 20 (2008)
--- Mike Mussina 20 (2008)