Rested (2+ days off)
−18%
36 yes / 377 no · 65 HRs
Opposing starter's recent FB velo down ≥1 mph
+18%
66 yes / 296 no · 55 HRs
No rest day (B2B or doubleheader)
−18%
300 yes / 113 no · 65 HRs
Vs. fastball-heavy pitcher (FB% ≥ 55%)
+9%
223 yes / 172 no · 61 HRs
Vs. high-xwOBA pitcher (xwOBA allowed > .340)
+9%
87 yes / 325 no · 65 HRs
Vs. pull-fly-ball-prone pitcher (>18%)
−8%
299 yes / 112 no · 65 HRs
First-pitch temperature > 78°F
+7%
96 yes / 308 no · 63 HRs
Hot streak (L5 avg EV > career baseline)
+7%
181 yes / 228 no · 65 HRs
HR-suppressing park (factor ≤ 0.95)
−7%
49 yes / 364 no · 65 HRs
≥1 career HR vs this pitcher
+5%
23 yes / 391 no · 65 HRs
Wind blowing out (≥10 mph, outdoor)
neutral
8 yes / 396 no · 63 HRs
Cold month (Apr / Sep / Oct)
neutral
98 yes / 316 no · 65 HRs
Vs. HR-prone pitcher (HR/PA > 3.8%)
neutral
79 yes / 333 no · 65 HRs
Vs. short-leash starter (avg IP < 5.0)
neutral
155 yes / 248 no · 64 HRs
Platoon advantage (LHB-vs-RHP or RHB-vs-LHP)
neutral
85 yes / 191 no · 48 HRs
Opposing starter coming off >7 days rest
neutral
75 yes / 311 no · 61 HRs
Vs. hittable pitcher (BAA > .260)
neutral
77 yes / 335 no · 65 HRs
3rd time through order vs starter
neutral
222 yes / 192 no · 65 HRs
≥2 career HRs vs this pitcher
neutral
0 yes / 414 no · 65 HRs
Vs. barrel-prone pitcher (Barrel% allowed > 9%)
neutral
0 yes / 411 no · 65 HRs
Vs. low-whiff pitcher (whiff% < 22%)
neutral
0 yes / 0 no · 0 HRs
≥3 career HRs vs this pitcher
neutral
0 yes / 414 no · 65 HRs