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Isolated Power 2020

Extra bases per at-bat, separating extra-base power from batting average.

Minimum workload: 3.1 plate appearances per game, rounded to the nearest whole appearance. Completed seasons use the league's scheduled regular-season game count; seasons in progress use team games played. Batting-title exceptions are not applied. Data through December 31, 2020. Data refreshed Mar 13, 2026, 3:29 AM UTC.

Isolated Power2020 season
#PlayerTeamPAABISO
1J. SotoWSH196154.344
2L. VoitNYY234213.333
3R. Acuña Jr.ATL202160.331
4M. TroutLAA241199.322
5W. MyersSD218198.318
6J. RamírezCLE254219.315
7J. AbreuCWS262240.300
8K. CalhounAZ228190.300
9D. SmithNYM199177.299
10F. FreemanATL262214.299
11M. OzunaATL267228.298
12A. DuvallATL209190.295
13F. Tatis Jr.SD257224.295
14N. CruzMIN214185.292
15A. PollockLAD210196.291
16T. HernándezTOR207190.289
17B. LoweTB224193.285
18C. SeagerLAD232212.278
19M. MachadoSD254224.277
20G. SpringerHOU222189.275
21M. SanóMIN205186.274
22B. HarperPHI244190.274
23M. YastrzemskiSF225192.271
24M. BettsLAD246219.269
25E. SuárezCIN231198.268
26E. JiménezCWS226213.263
27N. CastellanosCIN242218.261
28P. AlonsoNYM239208.260
29T. TurnerWSH259233.253
30W. FloresSF213198.247
31I. HappCHC231198.247
32K. TuckerHOU228209.244
33R. GrossmanOAK192166.241
34R. NúñezBAL216195.236
35T. StoryCOL259235.230
36M. OlsonOAK245210.229
37L. Gurriel Jr.TOR224208.226
38D. LeMahieuNYY216195.226
39J. RealmutoPHI195173.225
40C. YelichMIL247200.225
41C. MoranPIT200178.225
42W. AdamesTB205185.222
43J. VottoCIN223186.220
44R. DeversBOS248232.220
45E. RosarioMIN231210.219
46C. BellingerLAD243213.216
47A. RendonLAA232189.212
48M. KeplerMIN196171.211
49B. AndersonMIA229200.210
50B. CrawfordSF193172.209
ISO
Extra bases per at-bat, separating extra-base power from batting average.

Understanding Isolated Power

Extra bases per at-bat, separating extra-base power from batting average.

Formula: (2B + 2 × 3B + 3 × HR) ÷ AB

Read rates alongside playing time. A small sample can produce an extreme result, and a missing value is different from zero.

Season rankings use regular-season records. A player has one combined row across teams; the team label identifies the associated team, not a separate team stint.

Source: MLB statistics and MLBDB derived measures. Formulas describe the measure above. Data refreshed Mar 13, 2026, 3:29 AM UTC.