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Isolated Power 2019

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, 2019. Data refreshed Mar 13, 2026, 3:34 AM UTC.

Isolated Power2019 season
#PlayerTeamPAABISO
1M. TroutLAA600470.353
2C. YelichMIL580489.342
3N. CruzMIN521454.328
4C. BellingerLAD661558.324
5P. AlonsoNYM693597.323
6J. SolerKC679589.304
7E. SuárezCIN662575.301
8G. SpringerHOU556479.299
9A. BregmanHOU690554.296
10J. BellPIT613527.292
11J. PedersonLAD514450.289
12K. SchwarberCHC610529.282
13A. RendonWSH646545.279
14M. OlsonOAK547483.277
15N. ArenadoCOL662588.269
16A. MeadowsTB591530.268
17M. KeplerMIN596524.267
18J. SotoWSH659542.266
19M. MuncyLAD589487.265
20K. MarteAZ628569.264
21F. ReyesCLE548494.263
22J. DonaldsonATL659549.262
23C. BlackmonCOL634580.262
24M. MoustakasMIL584523.262
25T. StoryCOL656588.260
26M. ChapmanOAK670583.257
27G. TorresNYY604546.256
28F. FreemanATL692597.255
29B. GardnerNYY550491.253
30J. MartinezBOS657575.252
31J. AltuveHOU548500.252
32D. SantanaTEX511474.251
33J. BáezCHC561531.250
34B. HarperPHI682573.250
35X. BogaertsBOS698614.246
36E. JiménezCWS504468.246
37R. DeversBOS702647.244
38T. ManciniBAL679602.244
39Y. GurrielHOU612564.243
40H. DozierKC586523.243
41E. EscobarAZ699636.242
42K. BryantCHC634543.239
43R. Acuña Jr.ATL715626.238
44M. SemienOAK747657.237
45M. ConfortoNYM648549.237
46N. CastellanosCHC664615.236
47K. CalhounLAA632552.236
48F. LindorCLE654598.234
49C. SantanaCLE686573.234
50R. OdorTEX581522.234
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, 3:34 AM UTC.