Michael Wacha
Kansas City Royals · SP Throws: R Bats: R Height: 6'6 Weight: 215 Born: Jul 01, 1991 ()
Percentile Ranks
vs LHH
vs RHH
K%
20.2
28.3
xWOBA
0.316 · 70%
0.333 · 37%
xSLG
71.7
28.3
 

Year Team G GS W-L IP ERA WHIP K% CSW% BB% xAVG xSLG xwOBA xISO BAR% SS% HH% GB% LD% FB% Z%
Z
Sw%
OZ%
OZ
Sw%
Apr May Jun Jul Aug Sep
2025313110-13172.23.861.2317.6%0.0%6.3%.265.433.324.1687.4%36.7%35%38%25%27%53%16%47%36% 14.8 15.8 11.7 12.3 14.9 3.9
2024292913-8166.23.351.2021.2%0.0%6.6%.252.406.311.1548.2%32.7%33%40%24%27%51%17%49%39% 0.0 0.0 0.0 0.0 0.0 0.0
2023242414-4134.13.221.1622.4%0.0%7.8%.250.421.318.1717.3%38.6%36%35%25%31%50%17%50%42% 0.0 0.0 0.0 0.0 0.0 0.0
2022232311-2127.13.321.1220.2%0.0%6.0%.253.446.329.1929.6%35.4%35%41%26%22%50%16%50%33% 0.0 0.0 0.0 0.0 0.0 0.0
2021Rays29233-5124.25.051.3122.9%0.0%5.9%.283.499.355.21610.5%39.8%43%43%25%26%52%16%48%40% 0.0 0.0 0.0 0.0 0.0 0.0
2020Mets871-434.06.621.5623.7%0.0%4.5%.258.456.326.1988.2%38.2%44%39%26%29%50%20%50%36% 0.0 0.0 0.0 0.0 0.0 0.0
2019Cardinals29246-7126.24.761.5318.7%0.0%9.0%.276.491.356.2147.8%35.5%36%50%24%21%47%17%53%30% 0.0 0.0 0.0 0.0 0.0 0.0
2018Cardinals15158-284.13.201.2420.0%0.0%10.1%.276.445.348.1697.7%36.2%37%47%29%20%49%18%51%37% 0.0 0.0 0.0 0.0 0.0 0.0


2025 Splits vs LHB vs RHB
Pitch Type MPH SPIN Whiff% Usage xBAVG xWOBA K% BB% xSLG ISO HR Usage xBAVG xWOBA K% BB% xSLG ISO HR
4-SeamerFastball MPH0%40%.275.32915.07.1.417.115231%.302.41930.015.0.595.1602
CutterFastball88.1 MPH211318%17%.301.3688.52.1.489.068020%.309.4213.89.6.640.3644
SliderBreaking84.8 MPH195429%5%.274.42523.115.4.613.300126%.253.28013.10.0.403.1151
ChangeupOffspeed79.8 MPH153627%38%.220.26516.47.4.324.054022%.169.22231.05.6.270.0450
2024 Splits vs LHB vs RHB
Pitch Type MPH SPIN Whiff% Usage xBAVG xWOBA K% BB% xSLG ISO HR Usage xBAVG xWOBA K% BB% xSLG ISO HR
4-SeamerFastball MPH0%36%.312.38415.38.2.518.205324%.270.33222.211.1.396.1041
CutterFastball88.8 MPH208215%14%.295.32619.59.8.366.135115%.352.4320.05.4.619.1431
SliderBreaking84.1 MPH204137%4%.083.16025.00.0.098.000022%.408.48910.33.4.720.2861
ChangeupOffspeed81.2 MPH154834%45%.190.22426.74.1.286.118339%.154.23339.03.0.336.1795
2023 Splits vs LHB vs RHB
Pitch Type MPH SPIN Whiff% Usage xBAVG xWOBA K% BB% xSLG ISO HR Usage xBAVG xWOBA K% BB% xSLG ISO HR
4-SeamerFastball90.8 MPH201017%39%.278.38615.118.6.472.145120%.205.28831.86.1.421.1613
CutterFastball87.0 MPH203717%6%.000.5850.00.0.414.430117%.378.4714.317.4.624.2111
SinkerFastball91.9 MPH189011%4%.176.29433.316.7.334.300122%.326.38214.52.6.531.1532
CurveballBreaking74.0 MPH215027%11%.000.6330.00.0.361.421111%.154.16423.10.0.231.2000
SliderBreaking MPH0%0%.000.3900.00.0.326.3100
ChangeupOffspeed81.6 MPH152236%40%.214.24232.83.1.315.095229%.151.22230.76.8.299.2073

Splits vs LHB vs RHB
Year PA xBAVG xWOBA xSLG ISO K% BB% HR PA xBAVG xWOBA xSLG ISO K% BB% HR
2025 372.264.316.409.10516.9%6.2%5344.266.333.460.15918.3%6.4%10
2024 351.247.299.393.15722.2%5.7%9333.257.323.419.12320.1%7.2%8
2023 261.251.314.400.13623.0%8.4%6291.249.321.439.17522.0%6.9%9
2022 214.227.299.391.15723.4%7.0%8301.273.350.485.19017.9%5.3%10
  Home Road
Season PA xAVG xWOBA K% BB% xSLG ISO HR PA xAVG xWOBA K% BB% xSLG ISO HR
202554.263.30977.0%25.0%.394.320546.240.28849.0%20.0%.370.2581
2024324.271.32821.0%5.6%.440.1377360.234.29521.4%7.2%.374.14410
2023324.248.31724.4%7.4%.417.1498228.253.31919.7%7.9%.426.1677
2022218.243.31321.6%5.5%.429.1978297.262.34119.2%6.4%.459.16110

Split Games Wind 0-9 mph+ Wind 10+ mph Humid 0-25 Humid 25-50 Humid 50-75 Humid 75-100 Temp 0-40 Temp 40-60 Temp 61-79 Temp 80+
Road 15.20 14.69 14.08 4.20 16.20 18.12 17.13 6.20 11.20 16.21 16.33
Home 15.16 16.07 11.48 12.13 13.45 19.11 7.21 0.00 16.31 12.43 16.95