SportsAugust 24, 2026

xobp

eks-OH-bee-PEE

Definition

An advanced baseball statistic that measures the probability that a player will reach base, adjusted to exclude factors outside the batter's control (such as defense or park effects).

Etymology

This term is an initialism derived from 'expected' (often denoted with a lowercase 'x' in modern sabermetrics) and 'OBP', which stands for 'On-Base Percentage'.

In the news

The article uses xOBP in the 'Hitter Breakdown' table to provide DFS users with a metric to evaluate a batter's expected on-base consistency beyond traditional box score stats.

MLB DFS First Look: Baseball Odds, Salaries, & Stats for Monday, August 24th

Read the full article ↗

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