PO - PO Values represent the likelihood (expressed as a percent) that a given team will make the playoffs.

IMP - IMP stands for Impact and the value given is a measure of the impact of the game on the playoff chances of all teams in the league. Specifically, it represents the sum of the percentage by which each team's playoff chances are impacted by the outcome of the game.

NIMP - NIMP, or Neutral Impact is related to IMP but it measures the impact of the game to the rest of the league (excluding the two teams that are playing).