Hits per nine innings
In baseball statistics, hits per nine innings (denoted by H/9) is the average number of hits allowed by a pitcher in a nine inning period; calculated as: (hits allowed x 9) / innings pitched.[1] This is a measure of a pitcher's success based on the number of all outs he records.
Compared to a pitcher's batting average against, a pitcher's H/9 benefits from sacrifice bunts, double plays, runners caught stealing, and outfield assist, but it is hurt by some errors. Unlike batting average against, a pitcher's H/9 benefits from outs that are not related to official at bats, as they are recorded on runners after they have reached base.
As of February 2022[update], Nolan Ryan is the career leader (6.5553), Sandy Koufax is #2 (6.7916), Clayton Kershaw is #3 (6.8160).[2]
See also
References
- ^ "Hits Per Nine Innings (H/9) | Glossary". Major League Baseball. Retrieved 2022-02-16.
- ^ "Career Leaders & Records for Hits per 9 IP". Baseball-Reference.com. Retrieved 2022-02-16.
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