League Season Sabermetrics Constants

KBO league averages used for calculating advanced metrics like WAR and wRC+.

Metric Descriptions

Hitter League Constants

  • Lg AVG — League-wide batting average
  • Lg OBP — League-wide on-base percentage
  • Lg SLG — League-wide slugging percentage
  • Lg OPS — League-wide OPS (OBP+SLG)
  • wOBA — League weighted on-base average. Baseline for wRC+
  • R/PA — Runs per plate appearance. Used for replacement level
  • wOBA Scale — wOBA to runs conversion factor (KBO fixed: 1.15)

Pitcher League Constants

  • Lg ERA — League-wide earned run average
  • Lg FIP — League-wide FIP (= league ERA by definition)
  • FIP Constant — FIP calibration constant (lgERA - rawFIP)
  • Lg WHIP — League-wide walks + hits per inning
  • Total IP — Total innings pitched in the league for the season
  • Total Games — Number of regular season games

Common

  • RPW — Runs Per Win. Runs needed for one win (fixed: 9.264)