Ground ball/fly ball ratio

In baseball statistics, ground ball-fly ball ratio (denoted by G/F or GB/FB) is a measure of:

The related statistic of ground outs-fly outs ratio (denoted by GO/AO), is a measure of:

A statistic in baseball that compares the number of ground outs (ground ball hits that lead to an out for the batter) to air outs (fly balls that lead to an out for the batter), which determines the mix of fielded out types for both batters and pitchers. For each ground out (GO) and air out (AO), both the batter put out and the pitcher on the play receive either a GO or AO on their stat line, which is used in the calculation of the ratio.

St. Louis Cardinals have led Major League Baseball in team ground ball/fly ball ratio since 2006. Sinker, cutter, and curveball pitchers tend to produce more ground balls, while pitchers who rely on fastballs, sliders, and split-fingered fastballs tend to produce more fly balls. Roughly 10% of fly balls are home runs. Fly ball pitchers in large parks however, tend to allow less than 7%.


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