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Minor League Park Factors At Midseason 2021

Worcester Polar Park Johntlumackibostonglobe
Worcester's Polar Park (photo by John Lumacki/Boston Globe)

New leagues. New scheduling. A number of new affiliates and ballparks.

The 2021 season has ushered in a new era of the minor leagues. To help make sense of the newness, we present park factors for the 120 full-season minor league parks at midseason.

These park factors are basic comparisons of home output and away output, expressed as both an index (PF) in which 100 is average and a multiplier (Mult) that halves the impact of the park factor to reflect that players play only half of games at home. The statistics being compared are runs, home runs and batting average on balls in play.

These factors are intended to be estimates. However, they are subject to more distortion than usual because of variables unique to 2021, including uneven quality of play and scheduling that is not as varied as usual.


Triple-A East

RunsHRBABIP
TeamOrgPFMultPFMultPFMult
BuffaloTOR1041.02276.8811091.046
CharlotteCWS1051.0251401.2001011.007
ColumbusCLE1111.0541161.08096.982
DurhamTB1171.0831051.0261071.035
GwinnettATL89.94482.9101021.012
IndianapolisPIT1041.01999.9971001.002
IowaCHC1251.1231141.0681061.029
JacksonvilleMIA92.96296.98292.962
Lehigh ValleyPHI100.99874.868100.998
LouisvilleCIN86.92976.88299.997
MemphisSTL1031.01399.9961031.013
NashvilleMIL95.97361.8061071.036
NorfolkBAL88.94077.88590.952
OmahaKC85.92594.9681031.013
RochesterWSH87.93399.9961011.003
Scranton/W-BNYY84.91880.90293.964
St. PaulMIN1121.0601541.2701021.012
SyracuseNYM1321.1581391.1941041.020
ToledoDET95.9731031.01492.962
WorcesterBOS96.9791191.09394.968

Triple-A West

RunsHRBABIP
TeamOrgPFMultPFMultPFMult
AlbuquerqueCOL1131.0651221.1111121.060
El PasoSD1271.1361641.3181091.045
Las VegasOAK1271.1361261.1291111.053
Oklahoma CityLAD86.93163.81695.977
RenoARI98.98892.96199.993
Round RockTEX93.96694.97096.979
SacramentoSF93.9641121.06089.947
Salt LakeLAA1061.03297.9861111.057
Sugar LandHOU67.83551.75789.944
TacomaSEA92.96296.98092.962

Double-A Central

RunsHRBABIP
TeamOrgPFMultPFMultPFMult
AmarilloARI1141.0711331.16399.994
ArkansasSEA74.86865.82389.943
Corpus ChristiHOU94.9681361.18091.953
FriscoTEX1411.2031871.4361101.052
MidlandOAK94.97149.7461161.082
NW ArkansasKC91.9531111.05392.960
San AntonioSD88.93858.79194.968
SpringfieldSTL1111.0551171.0831071.035
TulsaLAD100.99997.98697.987
WichitaMIN1151.0731001.0021061.029

Double-A Northeast

RunsHRBABIP
TeamOrgPFMultPFMultPFMult
AkronCLE91.9561011.00692.959
AltoonaPIT1011.00572.8621041.021
BinghamtonNYM94.97178.8921011.006
BowieBAL1141.0691101.04891.957
ErieDET87.9371131.0661011.007
HarrisburgWSH93.96799.9931041.018
HartfordCOL99.9961291.1461011.003
New HampshireTOR1031.0131111.0561001.001
PortlandBOS1091.04581.9031071.037
RichmondSF1021.01276.8781051.026
SomersetNYY1021.0111111.05391.954
ReadingPHI1121.0581221.1111051.025

Double-A South

RunsHRBABIP
TeamOrgPFMultPFMultPFMult
BiloxiMIL95.97495.97390.949
BirminghamCWS1011.0051081.0391021.009
ChattanoogaCIN1381.1881301.1501051.023
MississippiATL78.89050.7511011.003
MontgomeryTB1141.0701161.0821051.025
PensacolaMIA89.94384.91999.995
Rocket CityLAA88.9411191.09599.996
TennesseeCHC1131.0631421.2091041.021

High-A Central

RunsHRBABIP
TeamOrgPFMultPFMultPFMult
BeloitMIA1161.0801161.0811051.027
Cedar RapidsMIN89.94483.91696.979
DaytonCIN1031.0141161.0791131.064
Fort WayneSD1211.1041341.1721121.060
Great LakesLAD99.9971261.12895.974
Lake CountyCLE92.95897.98589.944
LansingOAK1261.1311041.0221101.049
PeoriaSTL78.8911021.01291.954
Quad CitiesKC90.94897.98494.968
South BendCHC1001.00178.8921071.034
West MichiganDET79.89355.77586.932
WisconsinMIL1171.0831161.0811061.031

High-A East

RunsHRBABIP
TeamOrgPFMultPFMultPFMult
AberdeenBAL77.88659.79693.967
AshevilleHOU1361.1811401.2021151.077
Bowling GreenTB97.98395.9761011.003
BrooklynNYM76.88276.88294.971
GreensboroPIT1191.0942001.50293.963
GreenvilleBOS1051.0241051.0231111.054
HickoryTEX97.9861221.11098.991
Hudson ValleyNYY1221.1101111.0531121.060
Jersey ShorePHI1041.0191361.1811011.005
RomeATL92.96062.8091031.015
WilmingtonWSH97.98495.97792.962
Winston-SalemCWS84.92275.87388.939

High-A West

RunsHRBABIP
TeamOrgPFMultPFMultPFMult
EugeneSF97.9841081.0381071.033
EverettSEA1221.1101781.3881111.056
HillsboroARI84.92153.76794.970
SpokaneCOL1471.2352061.5301011.004
Tri-CityLAA78.89155.77394.970
VancouverTOR90.94869.84696.980
Shane Baz (Photo By Dustin Bradford Getty Images)

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Low-A East

RunsHRBABIP
TeamOrgPFMultPFMultPFMult
AugustaATL95.97692.9591091.044
CarolinaMIL1091.0441431.2161021.010
CharlestonTB85.92779.89782.909
ColumbiaKC1251.1271651.32498.992
DelmarvaBAL1051.02695.97598.991
Down EastTEX89.9471161.08196.982
FayettevilleHOU98.98996.9801031.015
FredericksburgWSH1101.0491181.0891061.031
KannapolisCWS1001.00180.9021041.018
LynchburgCLE1071.0341391.19399.997
Myrtle BeachCHC84.92178.89296.980
SalemBOS96.98196.9811051.024

Low-A Southeast

RunsHRBABIP
TeamOrgPFMultPFMultPFMult
BradentonPIT1191.0961321.1621081.039
ClearwaterPHI1131.0631381.1891021.008
DaytonaCIN83.91482.9101031.016
DunedinTOR86.92986.92990.951
Fort MyersMIN85.92599.99691.953
JupiterMIA98.98878.89094.971
LakelandDET97.98670.849100.998
Palm BeachSTL81.90741.70792.958
St. LucieNYM1351.1731951.4761171.086
TampaNYY1161.0781181.0891101.051

Low-A West

RunsHRBABIP
TeamOrgPFMultPFMultPFMult
FresnoCOL1071.0361341.17292.961
Inland EmpireLAA88.94173.86599.996
Lake ElsinoreSD1071.03462.8091101.052
ModestoSEA90.9521021.0091011.006
R. CucamongaLAD1131.0661091.0471041.019
San JoseSF97.98557.78698.991
StocktonOAK97.9832031.51587.934
VisaliaARI95.9771191.0931081.039

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