Sunday, May 24, 2015

Ballpark Factors & Dimensions For 2012-14 Seasons

Calculated using the methodology spelled out in this piece, here are runs-scored park factors for the 2012, 2013 and 2014 MMDA seasons.

We close with a review of three-year averages for the 17 teams that competed in the MMDA continuously from 2012 to 2014

MMDA Ballparks • 2014


No Team Division SI-L SI-R HR-L HR-R Factor Multiplier
1 Miami Northeast 7 7 9 9 111 1.055
2 Wilmington Atlantic 8 8 14 8 108 1.038
3 Goldenrod Central 8 4 16 4 107 1.037
4 Death Valley Atlantic 12 12 12 12 107 1.036
5 West Side Northeast 10 10 11 11 107 1.034
6 Elysian Fields Pacific 7 7 8 8 106 1.030
Northeast Northeast 12 6 9 4 106 1.030
8 St. Louis Central 7 7 7 9 105 1.023
9 Brooklyn Pacific 12 12 8 12 104 1.020
10 Columbus Central 2 8 2 7 103 1.017
11 Rochester Atlantic 10 10 8 8 102 1.012
12 Fighting Irish Northeast 10 10 5 5 101 1.006
13 Lake County Central 7 7 9 9 101 1.005
14 Jersey Atlantic 7 5 2 5 100 1.000
15 Cape Cod Northeast 4 10 16 2 96 0.981
16 Rosehill Central 5 5 5 5 95 0.974
17 Mohawk Valley Atlantic 2 2 6 6 92 0.962
18 California Pacific 2 2 2 5 87 0.935
19 Spokane Pacific 5 9 2 2 82 0.912
20 Northwest Pacific 8 6 7 5 80 0.902

Based on the weighted value for ballpark singles and home runs—and the league's left/right split of 28/72—we would expect Death Valley (107) to finish with the highest park factor and California (87) with the lowest.  They didn't miss by much.

MMDA Ballparks • 2013


No Team Division SI-L SI-R HR-L HR-R Factor Multiplier
1 Wilmington Atlantic 10 10 16 16 129 1.147
2 Miami Pacific 7 7 9 9 119 1.093
3 West Side Northeast 10 10 11 11 117 1.085
4 Death Valley Atlantic 12 12 12 12 109 1.043
5 Brooklyn Atlantic 10 10 8 12 108 1.042
6 Cape Cod Northeast 4 4 4 4 107 1.034
7 Elysian Fields Central 7 7 8 8 103 1.014
8 Northeast Northeast 8 8 6 6 102 1.012
9 Goldenrod Central 2 12 2 12 101 1.006
10 Mohawk Valley Atlantic 2 2 11 11 101 1.003
11 Columbus Pacific 2 8 2 7 99 0.993
12 Lake County Central 7 7 9 9 97 0.987
13 Northwest Pacific 8 6 7 5 96 0.981
14 California Pacific 2 2 2 5 95 0.975
15 Rosehill Central 5 5 5 5 94 0.968
16 St. Louis Central 7 7 7 9 91 0.956
17 Spokane Pacific 10 2 2 2 88 0.938
18 Rochester Atlantic 6 6 4 4 85 0.924
19 Fighting Irish Northeast 10 10 4 4 84 0.920
20 Jersey Northeast 7 5 2 5 82 0.910

Based on the weighted value for ballpark singles and home runs, we would expect Wilmington (129) to finish with the highest park factor and Spokane (88) with the lowest. The Razorbacks lived up to expectations, while the Crows finished fourth from the bottom.

MMDA Ballparks • 2012


No Team Division SI-L SI-R HR-L HR-R Factor Multiplier
1 Wilmington Atlantic 10 10 8 8 119 1.095
2 Northeast Northeast 14 14 12 12 114 1.068
3 West Side Northeast 10 10 11 11 113 1.067
4 Death Valley Atlantic 12 12 12 12 113 1.066
5 Lake County Central 7 7 9 9 112 1.062
6 Goldenrod Central 2 12 2 12 109 1.044
7 Brooklyn Atlantic 10 10 10 10 108 1.039
8 Rochester Atlantic 10 10 10 7 104 1.021
9 Fighting Irish Northeast 10 10 5 5 101 1.007
10 St. Louis Central 2 5 2 8 101 1.006
11 Mt. Ephraim Pacific 7 7 9 9 99 0.995
12 California Pacific 2 2 2 5 94 0.969
13 Rosehill Central 5 5 5 5 93 0.965
14 Jersey Northeast 7 5 2 5 93 0.964
15 Yankee Clippers Pacific 2 9 3 15 92 0.958
16 Spokane Pacific 10 10 2 2 90 0.948
17 Mohawk Valley Atlantic 9 6 12 9 88 0.938
18 Cape Cod Northeast 5 5 4 4 87 0.936
19 Michigan Central 2 2 2 2 85 0.925
Northwest Pacific 8 6 7 5 85 0.925

Based on the weighted value for ballpark singles and home runs, we would expect Northeast (114) to finish with the highest park factor and Michigan (85) with the lowest. Reality met with expectation in an eerie way during the 2012 season, because the Huskies finished just off the pace and the since-relocated Lakers featured little offense in an all-twos ballpark.

MMDA Ballparks • Three-Year Averages, 2012-14 


Which managers prefer a pitcher's paradise at home, and which prefer to let the fireworks fly? Here are composite home/road run-scoring rates and park factors for all 17 teams that competed in the MMDA continuously from 2012 to 2014.

No Team Home R/GRoad R/GPark FactorMultiplier
1 Wilmington 10.37 8.74 119 1.093
2 West Side10.15 9.02 113 1.063
3 Death Valley9.80 8.94 110 1.048
4 Northeast9.89 9.21 107 1.037
5 Brooklyn10.47 9.81 107 1.033
6 Goldenrod9.43 8.91 106 1.029
7 Lake County8.84 8.57 1031.016
8 St. Louis8.12 8.23 99 0.993
9 Cape Cod9.04 9.38 96 0.982
10 Rochester 8.86 9.21 96 0.981
11 Fighting Irish9.30 9.76 95 0.976
12 Rosehill7.91 8.44 94 0.969
13 Mohawk Valley8.66 9.28 93 0.967
14 California8.26 9.00 92 0.959
15 Jersey8.05 8.81 91 0.957
16 Northwest7.52 8.60 87 0.937
17 Spokane7.31 8.43 87 0.934

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