Lucas Giolito
Boston Red Sox · SP Throws: R Bats: R Height: 6'6 Weight: 245 Born: Jul 14, 1994 ()
Percentile Ranks
vs LHH
vs RHH
K%
60.6
22.1
xWOBA
0.360 · 26%
0.344 · 26%
xSLG
22.2
33.1
 

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
2025262610-4145.03.411.2919.7%0.0%9.1%.274.477.353.2039.0%38.3%41%40%24%27%51%16%49%41% 17.3 10.2 17.0 17.6 19.7 10.1
202333338-15184.14.881.3125.7%0.0%9.2%.239.445.329.20511.0%33.3%42%36%23%29%49%19%51%53% 0.0 0.0 0.0 0.0 0.0 0.0
2022303011-9161.24.901.4425.4%0.0%8.7%.249.397.318.1497.5%37.9%39%39%27%29%48%17%52%52% 0.0 0.0 0.0 0.0 0.0 0.0
2021White Sox313111-9178.23.531.0928.0%0.0%7.0%.221.362.280.1416.7%37.4%34%34%28%27%51%24%49%53% 0.0 0.0 0.0 0.0 0.0 0.0
2020White Sox12124-372.13.481.0433.7%0.0%9.7%.196.323.270.1265.6%33.5%35%44%22%27%50%28%50%58% 0.0 0.0 0.0 0.0 0.0 0.0
2019White Sox292914-9176.23.411.0632.4%0.0%8.0%.215.368.283.1549.4%37.3%35%36%28%24%54%26%46%50% 0.0 0.0 0.0 0.0 0.0 0.0
2018White Sox323210-13173.16.131.4816.1%0.0%11.6%.256.433.348.1777.0%30.5%37%45%22%25%49%15%51%38% 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%56%.287.37718.612.1.505.142245%.328.40112.97.9.559.1124
SliderBreaking86.0 MPH196632%16%.293.39732.57.5.596.216237%.247.28723.54.9.374.0632
ChangeupOffspeed81.7 MPH167327%29%.233.32221.25.9.472.205418%.224.31322.28.9.430.2683
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
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-SeamerFastball93.1 MPH217320%45%.201.30628.612.1.397.200740%.310.41722.29.2.596.34612
SinkerFastball MPH0%0%.000.0000.00.0.000.0000
CurveballBreaking77.9 MPH233420%3%.333.29433.30.0.333.50000%.000.5900.00.0.511.4800
SliderBreaking84.0 MPH197835%17%.228.36327.511.8.530.372336%.235.27525.14.2.365.1566
ChangeupOffspeed80.9 MPH154735%35%.212.30624.210.9.402.239723%.213.30329.87.0.404.2256

Splits vs LHB vs RHB
Year PA xBAVG xWOBA xSLG ISO K% BB% HR PA xBAVG xWOBA xSLG ISO K% BB% HR
2025 297.272.360.502.16622.2%9.1%8314.276.344.454.11017.5%8.6%9
2023 322.210.314.419.24026.7%11.5%17467.259.338.463.24525.1%6.9%24
2022 294.212.287.343.11829.6%9.2%7403.275.341.437.23022.3%8.2%17
2021 345.214.271.333.14128.1%8.1%9373.227.288.388.20627.9%5.9%18
  Home Road
Season PA xAVG xWOBA K% BB% xSLG ISO HR PA xAVG xWOBA K% BB% xSLG ISO HR
202546.270.32253.0%23.0%.413.316155.214.28268.0%31.0%.346.2390
2023354.228.30127.4%7.9%.389.19115435.250.35124.4%9.4%.492.28626
2022335.251.31925.1%6.9%.410.19914362.246.31825.7%10.2%.385.16810
2021353.209.27427.8%7.4%.357.21918365.232.28528.2%6.6%.367.1339

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 19.81 19.92 19.51 0.00 23.87 13.33 12.90 0.00 17.30 19.64 23.00
Home 12.83 13.48 8.07 15.85 15.42 5.19 20.59 0.00 16.13 13.67 1.80