Measures how even/fair teams turned out based on their final records. The lower the number, the more even the teams were. A tournament where every team were .500 (same number of wins and losses) would have an Even-ness Score of 0.
Standard (regular season) game length. Playoff and Championship Games may differ from this in some years.
Estimate of Runs Scored Per 4 Innings. This is not exact since it does not take into account any extra-inning or abbreviates games; every game played in a year is assumed to be of equal length.