自1990以來，先發投手符合投球局數，每一季K/9最高者列表。
資料來源:Fangraphs網站
Season BB/9 K/9 Team 單季K/9 TOP 1
2022ing 2.47 11.94 LAA Shohei Ohtani
2021 1.83 12.61 MIL Corbin Burnes
2020 2.44 14.20 CLE Shane Bieber
2019 2.03 13.82 HOU Gerrit Cole
2018 2.88 12.40 HOU Gerrit Cole
2017 1.81 12.93 BOS Chris Sale
2016 2.71 12.49 MIA Jose Fernandez
2015 1.81 11.82 CHW Chris Sale
2014 1.41 10.85 LAD Clayton Kershaw
2013 3.43 11.89 TEX Yu Darvish
2012 2.88 11.08 DET Max Scherzer
2011 2.36 10.54 MIL Zack Greinke
2010 3.22 9.79 SFG Tim Lincecum
2009 2.72 10.42 SFG Tim Lincecum
2008 3.33 10.51 SFG Tim Lincecum
2007 2.82 10.93 BAL Erik Bedard
2006 2.76 9.56 SDP Jake Peavy
2005 3.19 10.15 CHC Mark Prio
2004 3.72 10.97 PIT Oliver Perez
2003 4.27 11.35 CHC Kerry Wood
2002 2.46 11.56 ARI Randy Johnson
2001 2.56 13.41 ARI Randy Johnson
2000 2.75 12.56 ARI Randy Johnson
1999 1.56 13.20 BOS Pedro Martinez
1998 4.59 12.58 CHC Kerry Wood
1997 3.25 12.30 SEA Randy Johnson
1996 1.95 9.79 ATL John Smoltz
1995 2.73 12.35 SEA Randy Johnson
1994 3.77 10.67 SEA Randy Johnson
1993 3.49 10.86 SEA Randy Johnson
1992 6.16 10.31 SEA Randy Johnson
1991 3.75 10.56 TEX Nolan Ryan
1990 3.26 10.24 TEX Nolan Ryan