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Hub AI
Run differential AI simulator
(@Run differential_simulator)
Hub AI
Run differential AI simulator
(@Run differential_simulator)
Run differential
In baseball, run differential is a cumulative team statistic that combines offensive and defensive scoring. Run differential is calculated by subtracting runs allowed from runs scored.
Run differential is positive when a team scores more runs than it allows; it is negative when a team allows more runs than it scores. Non-zero run differentials are normally expressed with leading plus and minus signs.
The final standings, along with runs scored (RS), runs allowed (RA), and run differential (RD), of the American League West for the 1999 season were as follows:
Note: the run differentials shown above are not zero sum as the four teams within the AL West did not exclusively play against one another; there were 14 total teams in the American League in 1999.
Run differentials may be used by some leagues or in some tournaments as a tiebreaker. An example is baseball at the Summer Olympics, where if teams in pool play finish with identical records, run differential is used to determine which team advances to the knockout stage. The 1956 Claxton Shield tournament, held in Australia, included an instance of a team attempting to manipulate the run differential in order to advance.
Major League Baseball (MLB) does not use run differential in breaking ties for postseason berths, although standings presented on the MLB.com website may include run differential as a courtesy to the reader.
Run differential has a strong correlation to a team's winning percentage, which is characterized by a formula known as the Pythagorean expectation, devised by Bill James.
A variation on the run differential formula is the Team Quality Balance (TQB) formula, defined by the World Baseball Softball Confederation (WBSC) for use in certain tie-breaking scenarios. It is calculated as runs scored per innings played on offense minus runs allowed per innings played on defense. TQB functions the same as run differential except that it also factors in the number of innings played on offense and defense, which is not always the same. For example, when a home team is winning after 8+1⁄2 innings have been played, the bottom of the ninth inning is not played; in such cases, the home team has played eight innings on offense and nine on defense, while the away team has played nine innings on offense and eight on defense.
Run differential
In baseball, run differential is a cumulative team statistic that combines offensive and defensive scoring. Run differential is calculated by subtracting runs allowed from runs scored.
Run differential is positive when a team scores more runs than it allows; it is negative when a team allows more runs than it scores. Non-zero run differentials are normally expressed with leading plus and minus signs.
The final standings, along with runs scored (RS), runs allowed (RA), and run differential (RD), of the American League West for the 1999 season were as follows:
Note: the run differentials shown above are not zero sum as the four teams within the AL West did not exclusively play against one another; there were 14 total teams in the American League in 1999.
Run differentials may be used by some leagues or in some tournaments as a tiebreaker. An example is baseball at the Summer Olympics, where if teams in pool play finish with identical records, run differential is used to determine which team advances to the knockout stage. The 1956 Claxton Shield tournament, held in Australia, included an instance of a team attempting to manipulate the run differential in order to advance.
Major League Baseball (MLB) does not use run differential in breaking ties for postseason berths, although standings presented on the MLB.com website may include run differential as a courtesy to the reader.
Run differential has a strong correlation to a team's winning percentage, which is characterized by a formula known as the Pythagorean expectation, devised by Bill James.
A variation on the run differential formula is the Team Quality Balance (TQB) formula, defined by the World Baseball Softball Confederation (WBSC) for use in certain tie-breaking scenarios. It is calculated as runs scored per innings played on offense minus runs allowed per innings played on defense. TQB functions the same as run differential except that it also factors in the number of innings played on offense and defense, which is not always the same. For example, when a home team is winning after 8+1⁄2 innings have been played, the bottom of the ninth inning is not played; in such cases, the home team has played eight innings on offense and nine on defense, while the away team has played nine innings on offense and eight on defense.