In basketball statistics, Offensive Efficiency Rating (OER) is the average number of points scored by a

basketball Basketball is a team sport in which two teams, most commonly of five players each, opposing one another on a rectangular court, compete with the primary objective of shooting a basketball (approximately in diameter) through the defender's h ...

player per shot taken. This includes missed field goals as well as free throws. The statistic stems from the previously created Player Efficiency Rating (PER). The per-minute rating was created by John Hollinger. Hollinger states, "The PER sums up all a player's positive accomplishments, subtracts the negative accomplishments, and returns a per-minute rating of a player's performance."

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Basketball terminology {{basketball-stub