Left on base

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In baseball, a baserunner is said to be left on base (abbreviated LOB) when the half-inning ends, he has not scored, and he has not been put out. This is to include a batter-runner who has hit into a fielder's choice, causing another runner to be put out as the 3rd out.

When the batter hits a fair ball, his plate appearance ends and he becomes a runner. Team LOB totals are commonly reported in a baseball box score. Individual LOB statistics can also be tracked.

A related statistic is Left On Base in Scoring Position, which includes only those LOB where the runner was occupying second or third base. Yet another related statistic is Left On Base in Scoring Position with Less Than Two Out. The intention of these statistics is to measure the tendency of a team or player to waste an opportunity to score.

Team LOB is used in "proving" a box score. The number of a team's plate appearances is to equal the sum of that team's runs, that team's LOB, and the opposing team's putouts. In other words, every batter who completes a plate appearance is accounted for by a run scored or by being put out or by being LOB.

"Stranded" is sometimes used to mean LOB.