Miles Mastrobuoni
Seattle Mariners · 3B Throws: R Bats: L Height: 5'10 Weight: 185 Born: Dec 31, 1969 (25)
 
Stats DK Avg FPTS
Year Team PA AB H 2B 3B HR RBI R SB CS K BB K% BB% xAVG xWOBA xSLG LA EV HH% Apr May Jun Jul Aug Sep
2025Mariners17214937301201260281716.3%9.9%.282.324.3776.288.437.0% 4.0 3.3 4.4 3.3 2.0 0.0
2024Mariners1069819300942017716.0%6.6%.261.294.35813.987.431.7% 1.0 3.3 1.3 3.8 0.0 1.0
2023Mariners14913332501245130321321.5%8.7%.255.299.35213.787.534.6% 2.6 3.1 2.0 7.9 0.0 7.8
2022Mariners1716300010106135.3%5.9%.165.191.2012.286.310.0% 0.0 0.0 0.0 0.0 0.0 2.0
Season Split Pitch % xBAVG xWOBA xSLG ISO K% BB% HR
2024 All FS Splitter 2.9% .000 .234 .205 .190 0.0% 0.0 0
2024 All CH Changeup 5.2% .000 .000 .000 .000 33.3% 0.0 0
2024 All SIFT Sinker 12.9% .000 .320 .256 .250 0.0% 0.0 0
2024 All FC Cutter 9.4% .102 .195 .180 .000 25.0% 12.5 0
2024 All FF 4-Seamer 42.8% .266 .317 .386 .068 14.0% 10.0 0
2024 All ST Sweeper 4.7% .333 .294 .333 .400 16.7% 0.0 0
2024 All SL Slider 12.1% .200 .176 .200 .222 10.0% 0.0 0
2024 All CUKC Curveball 9.4% .000 .000 .000 .000 71.4% 0.0 0
2023 All FS Splitter 2.8% .000 .000 .000 .000 25.0% 0.0 0
2023 All CH Changeup 10.7% .200 .277 .248 .048 16.7% 16.7 0
2023 All SIFT Sinker 8.4% .455 .434 .545 .090 8.3% 0.0 0
2023 All FC Cutter 7.8% .285 .319 .361 .076 16.7% 8.3 0
2023 All FF 4-Seamer 39.5% .248 .304 .364 .116 24.6% 10.1 1
2023 All ST Sweeper 4.1% .400 .470 .600 .200 0.0% 1.0 0
2023 All SL Slider 17.5% .223 .275 .367 .144 25.0% 5.0 0
2023 All CUKC Curveball 8.8% .125 .110 .125 .000 37.5% 0.0 0
2022 All FS Splitter 2.9% .000 .000 .000 .000 0.0% 0.0 0
2022 All CH Changeup 22.1% .094 .237 .115 .021 25.0% 25.0 0
2022 All SIFT Sinker 8.8% .000 .621 .543 .543 0.0% 0.0 0
2022 All FC Cutter 13.2% .000 .000 .000 .000 50.0% 0.0 0
2022 All FF 4-Seamer 36.8% .000 .000 .000 .000 42.9% 0.0 0
2022 All SL Slider 8.8% .000 .000 .000 .000 100.0% 0.0 0
2022 All CUKC Curveball 7.4% .000 .000 .000 .000 0.0% 0.0 0
Season Split Pitch % xBAVG xWOBA xSLG ISO K% BB% HR
2025 L FC Cutter 0.2% .000 .000 .000 .000 0.0% 0.0 0
2025 L FF 4-Seamer 1.5% .235 .328 .361 .200 33.3% 16.7 0
2025 L ST Sweeper 2.3% .225 .209 .258 .250 25.0% 0.0 0
2025 L SL Slider 2.8% .015 .025 .045 .000 50.0% 0.0 0
2024 L SIFT Sinker 2.9% .000 .413 .360 .335 0.0% 0.0 0
2024 L FC Cutter 0.8% .000 .000 .000 .000 0.0% 0.0 0
2024 L FF 4-Seamer 3.7% .117 .117 .150 .000 0.0% 0.0 0
2024 L ST Sweeper 0.5% .000 .000 .000 .000 100.0% 0.0 0
2024 L SL Slider 3.7% .024 .025 .030 .000 33.3% 0.0 0
2024 L CUKC Curveball 1.6% .000 .111 .109 .106 0.0% 0.0 0
2023 L CH Changeup 0.5% .000 .000 .000 .000 0.0% 0.0 0
2023 L SIFT Sinker 1.8% .333 .294 .333 .000 25.0% 0.0 0
2023 L FC Cutter 0.2% .000 .000 .000 .000 0.0% 0.0 0
2023 L FF 4-Seamer 2.6% .333 .294 .333 .000 16.7% 0.0 0
2023 L ST Sweeper 1.7% .000 .348 .000 .000 0.0% 1.0 0
2023 L SL Slider 1.8% .000 .000 .000 .000 50.0% 0.0 0
2023 L CUKC Curveball 0.3% .000 .000 .000 .000 0.0% 0.0 0
Season Split Pitch % xBAVG xWOBA xSLG ISO K% BB% HR
2025 R FS Split-finger 4.1% .201 .182 .215 .000 14.3% 0.0 0
2025 R CH Changeup 12.7% .176 .259 .199 .000 20.8% 16.7 0
2025 R FC Cutter 5.8% .373 .398 .565 .000 9.1% 0.0 0
2025 R FF 4-Seamer 31.5% .344 .374 .472 .075 8.2% 8.2 1
2025 R ST Sweeper 3.5% .524 .504 .632 .000 0.0% 0.0 0
2025 R SV Slurve 0.3% .000 .000 .000 .000 0.0% 0.0 0
2025 R SL Slider 12.4% .168 .303 .304 .000 42.1% 21.1 0
2024 R FS Splitter 2.9% .000 .234 .205 .190 0.0% 0.0 0
2024 R FS Split-finger 2.9% .205 .190 .234 .000 0.0% 0.0 0
2024 R CH Changeup 5.2% .269 .252 .302 .000 33.3% 0.0 0
2024 R SIFT Sinker 10.0% .000 .282 .212 .215 0.0% 0.0 0
2024 R FC Cutter 8.7% .102 .195 .180 .000 25.0% 12.5 0
2024 R FF 4-Seamer 39.1% .281 .335 .409 .075 15.2% 10.9 0
2024 R ST Sweeper 4.2% .729 .785 1.094 .000 0.0% 0.0 0
2024 R SL Slider 8.4% .357 .336 .419 .000 0.0% 0.0 0
2024 R CUKC Curveball 7.9% .000 .000 .000 .000 100.0% 0.0 0
2023 R FS Splitter 2.8% .000 .000 .000 .000 25.0% 0.0 0
2023 R CH Changeup 10.2% .200 .277 .248 .048 16.7% 16.7 0
2023 R SIFT Sinker 6.6% .000 .664 .560 .560 0.0% 0.0 0
2023 R FC Cutter 7.6% .285 .319 .361 .076 16.7% 8.3 0
2023 R FF 4-Seamer 36.9% .251 .313 .376 .125 25.4% 11.1 1
2023 R ST Sweeper 2.5% .000 .309 .236 .236 0.0% 0.0 0
2023 R SL Slider 15.7% .247 .304 .409 .162 22.2% 5.6 0
2023 R CUKC Curveball 8.4% .125 .110 .125 .000 37.5% 0.0 0
2022 R FS Splitter 2.9% .000 .000 .000 .000 0.0% 0.0 0
2022 R SIFT Sinker 8.8% .000 .621 .543 .543 0.0% 0.0 0
2022 R FC Cutter 13.2% .000 .000 .000 .000 50.0% 0.0 0
2022 R FF 4-Seamer 36.8% .000 .000 .000 .000 42.9% 0.0 0
2022 R SL Slider 8.8% .000 .000 .000 .000 100.0% 0.0 0
2022 R CUKC Curveball 7.4% .000 .000 .000 .000 0.0% 0.0 0