FanShot

Understanding Small Sample Sizes, or Evaluating Talent in April

148

We talk about small sample sizes frequently here on DRaysBay, so here are the points at which certain statistics become reliable: Offense Statistics: * 50 PA: Swing% * 100 PA: Contact Rate * 150 PA: Strikeout Rate, Line Drive Rate, Pitches/PA * 200 PA: Walk Rate, Ground Ball Rate, GB/FB * 250 PA: Fly Ball Rate * 300 PA: Home Run Rate, HR/FB * 500 PA: OBP, SLG, OPS, 1B Rate, Popup Rate * 550 PA: ISO Pitching Statistics: * 150 BF - K/PA, grounder rate, line drive rate * 200 BF - flyball rate, GB/FB * 500 BF - K/BB, pop up rate * 550 BF - BB/PA

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