整理一下近几年各分区的DIFF，大致上可以看出各分区强弱的演变
(排序按照该年度战绩排序)
2016 2017 2018 2019
美东 48.6 -> 23.2 -> 17.6 -> -3.4
美中 -20.6 -> -16.2 -> -84.0 -> -34.2
美西 -5.2 -> 14.2 -> 51.2 -> 22.2
国东 -27.6 -> -41.2 -> -22.2 -> -9.4
国中 18.0 -> 7.8 -> 31.0 -> 8.4
国西 -13.2 -> 12.2 -> 6.4 -> 16.4
2019年 - 2019/06/30为止
ALE DIFF ALC DIFF ALW DIFF
NYY 105 MIN 113 HOU 84
TB 83 CLE 0 TEX 36
BOS 46 CHW -69 OAK 58
TOR -84 KC -65 LAA -2
BAL -167 DET -150 SEA -65
平均 -3.4 平均 -34.2 平均 22.2
NLE DIFF NLC DIFF NLW DIFF
ATL 50 CHC 64 LAD 128
PHI 4 MIL -4 COL 17
WSH 17 STL -1 SD -17
NYM -38 PIT -56 ARI 43
MIA -80 CIN 39 SF -89
平均 -9.4 平均 8.4 平均 16.4
2018年
ALE DIFF ALC DIFF ALW DIFF
BOS 229 CLE 170 HOU 263
NYY 182 MIN -37 OAK 139
TB 70 DET -166 SEA -34
TOR -123 CHW -192 LAA -1
BAL -270 KC -195 TEX -111
平均 17.6 平均 -84.0 平均 51.2
NLE DIFF NLC DIFF NLW DIFF
ATL 102 MIL 95 LAD 194
WSH 89 CHC 116 COL 35
PHI -51 STL 68 ARI 49
NYM -31 PIT -1 SF -96
MIA -220 CIN -123 SD -150
平均 -22.2 平均 31.0 平均 6.4
2017年
ALE DIFF ALC DIFF ALW DIFF
BOS 117 CLE 254 HOU 196
NYY 198 MIN 27 LAA 1
TB -10 KC -89 SEA -22
TOR -91 CHW -114 TEX -17
BAL -98 DET -159 OAK -87
平均 23.2 平均 -16.2 平均 14.2
NLE DIFF NLC DIFF NLW DIFF
WSH 147 CHC 127 LAD 190
MIA -44 MIL 35 ARI 153
ATL -89 STL 56 COL 67
NYM -128 PIT -63 SD -212
PHI -92 CIN -116 SF -137
平均 -41.2 平均 7.8 平均 12.2
2016年
ALE DIFF ALC DIFF CLW DIFF
BOS 184 CLE 101 TEX 8
BAL 29 DET 29 SEA 61
TOR 93 KC -37 HOU 23
NYY -22 CHW -29 LAA -10
TB -41 MIN -167 OAK -108
平均 48.6 平均 -20.6 平均 -5.2
NLE DIFF NLC DIFF NLW DIFF
WSH 151 CHC 252 LAD 87
MYM 54 STL 67 SF 84
MIA -27 PIT -29 COL -15
PHI -186 MIL -62 ARI -138
ATL -130 CIN -138 SD -84
平均 -27.6 平均 18.0 平均 -13.2