Friday, May 31, 2019

Historical team OPS Differentials

I did some copying and pasting and searching in the Baseball Reference Play Index and made a file of all team OPS differentials from 1908-2018 (I had to enter OPS allowed for NL teams 1921-22 using data from Retrosheet). Some of the numbers are a bit different than what I have at some of my past blog posts. The 1927 Yankees are now .201 (no longer just .196), for example and the 1913 A's are now 2nd, not the 1939 Yankees. Baseball Reference does not have the 1906 Cubs  OPS allowed but Retrosheet does and has them with a .131 differential (.667 - .536). The Astros this year are at .182 so far (.834 - .652). This is an Excel file

Historical team OPS Differentials


Rank
Team
Year
OPS
POPS
OPSDIFF
1
NYY
1927
0.873
0.672
0.201
2
PHA
1913
0.732
0.566
0.166
3
NYY
1939
0.825
0.661
0.164
4
NYY
1921
0.838
0.683
0.155
5
SLB
1922
0.823
0.673
0.150
6
NYY
1936
0.865
0.725
0.140
7
STL
1944
0.745
0.606
0.139
8
CHC
2016
0.772
0.633
0.139
9
ATL
1998
0.795
0.657
0.138
10
BAL
1969
0.756
0.620
0.136
11
BOS
1912
0.735
0.600
0.135
12
NYG
1911
0.748
0.614
0.134
13
CLE
1920
0.793
0.659
0.134
14
STL
1942
0.717
0.586
0.131
15
PHA
1929
0.816
0.687
0.129
16
NYG
1912
0.754
0.626
0.128
17
PHA
1909
0.664
0.537
0.127
18
CLE
1948
0.792
0.665
0.127
19
PHA
1910
0.681
0.555
0.126
20
NYY
1998
0.825
0.699
0.126
21
SEA
2001
0.805
0.679
0.126
22
CLE
1921
0.815
0.690
0.125
23
NYG
1924
0.790
0.665
0.125
24
NYY
1931
0.840
0.716
0.124
25
NYY
1932
0.830
0.706
0.124
26
NYY
1937
0.825
0.701
0.124