三振四壞比

三振四壞比（K/BB或SO/BB，Strikeout-to-walk ratio（英文）） 是一種棒球術語，代表三振和四壞球保送的比例，此指標對於投手和打者都適用。投手能以三振造成打者出局，也可能因為四壞球讓打者保送上壘。此數值可以做為投手的控球精準度的參考，也可以作為打者選球和打擊能力的參考。其中分母不包含觸身球及故意四壞球。

參考文獻

  1. ^ Baseball Basics: Abbreviations. MLB.com: Official info. [2014-04-19]. （原始内容存档于2021-05-09）. 
  2. ^ 三振四壞比. 台灣棒球維基館. [2014-04-14]. （原始内容存档于2021-06-12）. 
  3. ^ Strikeout to Walk Ratio - K/BB. SportingCharts.com. [2014-04-14]. （原始内容存档于2021-12-05）. 

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