Definitions for "On Base Percentage"
Keywords:  obp, sacrifice, walks, bats, tob
Represents the number of times the player reaches base compared to the number of plate appearances. The higher the number the better. Formula: (Hits + Walks + Times Hit by Pitch) / (At Bats + Walks + Times Hit by Pitch + Sacrifice Flys) Denominator expanded to include sacrifice flys in 1984
The number of times an individual reached base safely divided by the total number of plate appearances. Mathematical Definition: (Walks+Hits) / Plate Apperances
The total number of hits, walks and hit by pitches divided by the number of at-bats, walks, hit by pitches and sacrifice flies. OFA