“Bases on balls per 9 innings pitched”的意思、由来-开放百科全书

词条

Bases on balls per 9 innings pitched

释义

Leaders
References

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In baseball statistics, bases on balls per 9 innings pitched (BB/9IP or BB/9) or walks per nine innings (denoted by W/9) is the average number of bases on balls, (or walks) given up by a pitcher per nine innings pitched. It is determined by multiplying the number of bases on balls allowed by nine, and dividing by the number of innings pitched.^[1] It is a measure of the bases on balls ability of a pitcher.

Leaders

All but one of the top 25 single-season leaders in BB/9IP through 2018 pitched in the period of 1876-84. George Zettlein was the all-time single-season leader (0.2308 in 1876), followed by Cherokee Fisher (0.2355 in 1876) and George Bradley (0.2755 in 1880).^[2] The highest single-season modern day baseball performance was by Carlos Silva (0.4301 in 2005).^[2]

The all-time career leaders in BB/9IP through 2018 were Candy Cummings (0.4731), Tommy Bond (0.4787), and Al Spalding (0.5114), all of whom played in the 1870s and 1880s.^[3]

The active career leaders in BB/9IP through 2018 were Corey Kluber (1.9089), Jordan Zimmermann (1.9139), and Chris Sale (2.0461).^[4]

References

1. ^[https://library.fangraphs.com/pitching/rate-stats/ Strikeout and Walk Rates | Sabermetrics Library]
2. ^¹[https://www.baseball-reference.com/leaders/bases_on_balls_per_nine_season.shtml Single-Season Leaders & Records for Bases On Balls per 9 IP | Baseball-Reference.com]
3. ^[https://www.baseball-reference.com/leaders/bases_on_balls_per_nine_career.shtml Career Leaders & Records for Bases On Balls per 9 IP | Baseball-Reference.com]
4. ^[https://www.baseball-reference.com/leaders/bases_on_balls_per_nine_active.shtml Active Leaders & Records for Bases On Balls per 9 IP | Baseball-Reference.com]

1 : Pitching statistics

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