First-pitch temperature > 78°F
+19%
65 yes / 365 no · 76 HRs
Vs. fly-ball-prone pitcher (FB% allowed > 40%)
+19%
74 yes / 371 no · 80 HRs
HR-friendly park (factor ≥ 1.10)
−16%
44 yes / 403 no · 80 HRs
Summer game (Jun-Aug)
−15%
188 yes / 262 no · 80 HRs
Opposing starter's recent FB velo down ≥1 mph
−14%
69 yes / 317 no · 67 HRs
Vs. fastball-heavy pitcher (FB% ≥ 55%)
−14%
225 yes / 216 no · 79 HRs
Hot streak (L5 avg EV > career baseline)
+13%
188 yes / 257 no · 79 HRs
3rd time through order vs starter
+13%
325 yes / 125 no · 80 HRs
≥2 career HRs vs this pitcher
+13%
7 yes / 443 no · 80 HRs
Wind blowing out (≥10 mph, outdoor)
+9%
3 yes / 427 no · 76 HRs
Platoon advantage (LHB-vs-RHP or RHB-vs-LHP)
+9%
74 yes / 216 no · 47 HRs
Batting 3-4-5 in the order
+7%
161 yes / 289 no · 80 HRs
Vs. HR-prone pitcher (HR/PA > 3.8%)
−5%
89 yes / 360 no · 80 HRs
Cold month (Apr / Sep / Oct)
neutral
141 yes / 309 no · 80 HRs
Vs. barrel-prone pitcher (Barrel% allowed > 9%)
neutral
1 yes / 444 no · 80 HRs
No rest day (B2B or doubleheader)
neutral
362 yes / 87 no · 80 HRs
Vs. hittable pitcher (BAA > .260)
neutral
99 yes / 350 no · 80 HRs
Vs. high-xwOBA pitcher (xwOBA allowed > .340)
neutral
88 yes / 361 no · 80 HRs
Opposing starter coming off >7 days rest
neutral
62 yes / 359 no · 73 HRs
Vs. high-contact-quality pitcher (avg EV allowed ≥ 89 mph)
neutral
217 yes / 232 no · 80 HRs
Vs. short-leash starter (avg IP < 5.0)
neutral
184 yes / 256 no · 79 HRs
Vs. low-whiff pitcher (whiff% < 22%)
neutral
0 yes / 0 no · 0 HRs
≥3 career HRs vs this pitcher
neutral
0 yes / 450 no · 80 HRs