ANALYTICS IN SPORTS:

1
ANALYTICS IN SPORTS

• SABERMETRICS 101

Pitching
2
Basic Stats

• W/L/SV
• IP, K, BB, H
• ERA
• WHIP
• Issues with each

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DIPS 1.0

• By Voros McCracken
• Defense Independent BB, K, HR, HBP
• Defense Dependent W/L/SV, IP, R, ER, H, SH, SF
  gt RA, ERA, WHIP
• There is little if any difference among
  major-league pitchers in their ability to prevent
  hits on balls hit in the field of play. VM
• Use K/G, BB/G, and HR/G with the average H/BIP
  rate to get DIPS ERA

4
Fielding Independent Pitching

• Developed by Tom Tango
• (HR13(BBHBP)3-K2)/IP
• Add league adjustment constant (3.2)
• xFIP adjusts for league-average HR levels

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Tweaking DIPS

• More data batted ball types (LD, FB, GB)
• Which do the pitcher control, which do the
  hitters control?
• (See chart)

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Back to BaseRuns

• AB/(BC) D
• A (H-HR) BB HBP
• B advancement factor
• C advancement opportunities factor
• D HR

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Counting Statistics

• Runs Saved Above Average (RSAA)
• (RA/IP LgRA/LgIP)IP
• BsR Saved Above Average
• (BsRA/IP LgRA/LgIP)IP
• 2007 AL 4.82 RA/G NL 4.78 RA/G