
Justin Slaten
Boston Red SoxP
Age: 27
Bats/Throws: R/R
6'4" / 222
DOB: 9/15/1997
(27 years, 9 months, 2 days)
P
Pitch Type Splits
Season | Pitch | Pitches | divider | AB | PA | H | 1B | 2B | 3B | HR | BB | IBB | SO | HBP | SF | SH | GDP | AVG | divider | minVel | maxVel | Vel |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
2024 | Cutter (FC) | 306 | 77 | 80 | 19 | 13 | 5 | 0 | 1 | 3 | 0 | 12 | 0 | 0 | 0 | 2 | .247 | 87.3 | 94.8 | 91.5 | ||
2024 | Fourseam (FA) | 237 | 53 | 58 | 8 | 7 | 1 | 0 | 0 | 3 | 0 | 18 | 2 | 0 | 0 | 0 | .151 | 94.1 | 98.1 | 96.4 | ||
2024 | Slider (SL) | 200 | 61 | 66 | 17 | 13 | 0 | 1 | 3 | 3 | 0 | 18 | 0 | 2 | 0 | 1 | .279 | 81.0 | 86.7 | 84.0 | ||
2024 | Curveball (CU) | 68 | 20 | 20 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | 0 | 0 | 0 | .150 | 80.6 | 87.2 | 84.3 | ||
2025 | Fourseam (FA) | 118 | 25 | 29 | 4 | 3 | 1 | 0 | 0 | 4 | 0 | 6 | 0 | 0 | 0 | 1 | .160 | 94.7 | 98.8 | 97.0 | ||
2025 | Cutter (FC) | 116 | 31 | 32 | 5 | 5 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 1 | 0 | 1 | .161 | 90.2 | 95.5 | 92.8 | ||
2025 | Curveball (CU) | 72 | 16 | 17 | 4 | 3 | 0 | 0 | 1 | 1 | 0 | 4 | 0 | 0 | 0 | 0 | .250 | 80.6 | 87.0 | 84.8 | ||
2025 | Slider (SL) | 27 | 10 | 10 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 0 | .100 | 83.9 | 87.6 | 85.2 | ||
Total | Cutter (FC) | 422 | 108 | 112 | 24 | 18 | 5 | 0 | 1 | 3 | 0 | 14 | 0 | 1 | 0 | 3 | .222 | 87.3 | 95.5 | 91.8 | ||
Total | Fourseam (FA) | 355 | 78 | 87 | 12 | 10 | 2 | 0 | 0 | 7 | 0 | 24 | 2 | 0 | 0 | 1 | .154 | 94.1 | 98.8 | 96.6 | ||
Total | Slider (SL) | 227 | 71 | 76 | 18 | 13 | 1 | 1 | 3 | 3 | 0 | 22 | 0 | 2 | 0 | 1 | .254 | 81.0 | 87.6 | 84.1 | ||
Total | Curveball (CU) | 140 | 36 | 37 | 7 | 6 | 0 | 0 | 1 | 1 | 0 | 14 | 0 | 0 | 0 | 0 | .194 | 80.6 | 87.2 | 84.6 |
Season | Pitch | Pitches | divider | AB | PA | H | 1B | 2B | 3B | HR | BB | IBB | SO | HBP | SF | SH | GDP | AVG | divider | minVel | maxVel | Vel |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
2024 | Cutter (FC) | 306 | 77 | 80 | 19 | 13 | 5 | 0 | 1 | 3 | 0 | 12 | 0 | 0 | 0 | 2 | .247 | 87.3 | 94.8 | 91.5 | ||
2024 | Fourseam (FA) | 237 | 53 | 58 | 8 | 7 | 1 | 0 | 0 | 3 | 0 | 18 | 2 | 0 | 0 | 0 | .151 | 94.1 | 98.1 | 96.4 | ||
2024 | Slider (SL) | 200 | 61 | 66 | 17 | 13 | 0 | 1 | 3 | 3 | 0 | 18 | 0 | 2 | 0 | 1 | .279 | 81.0 | 86.7 | 84.0 | ||
2024 | Curveball (CU) | 68 | 20 | 20 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | 0 | 0 | 0 | .150 | 80.6 | 87.2 | 84.3 | ||
2025 | Fourseam (FA) | 118 | 25 | 29 | 4 | 3 | 1 | 0 | 0 | 4 | 0 | 6 | 0 | 0 | 0 | 1 | .160 | 94.7 | 98.8 | 97.0 | ||
2025 | Cutter (FC) | 116 | 31 | 32 | 5 | 5 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 1 | 0 | 1 | .161 | 90.2 | 95.5 | 92.8 | ||
2025 | Curveball (CU) | 72 | 16 | 17 | 4 | 3 | 0 | 0 | 1 | 1 | 0 | 4 | 0 | 0 | 0 | 0 | .250 | 80.6 | 87.0 | 84.8 | ||
2025 | Slider (SL) | 27 | 10 | 10 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 0 | .100 | 83.9 | 87.6 | 85.2 | ||
Total | Cutter (FC) | 422 | 108 | 112 | 24 | 18 | 5 | 0 | 1 | 3 | 0 | 14 | 0 | 1 | 0 | 3 | .222 | 87.3 | 95.5 | 91.8 | ||
Total | Fourseam (FA) | 355 | 78 | 87 | 12 | 10 | 2 | 0 | 0 | 7 | 0 | 24 | 2 | 0 | 0 | 1 | .154 | 94.1 | 98.8 | 96.6 | ||
Total | Slider (SL) | 227 | 71 | 76 | 18 | 13 | 1 | 1 | 3 | 3 | 0 | 22 | 0 | 2 | 0 | 1 | .254 | 81.0 | 87.6 | 84.1 | ||
Total | Curveball (CU) | 140 | 36 | 37 | 7 | 6 | 0 | 0 | 1 | 1 | 0 | 14 | 0 | 0 | 0 | 0 | .194 | 80.6 | 87.2 | 84.6 |
Season | Pitch | Pitches | divider | BB% | K% | BB/K | AVG | OBP | SLG | OPS | ISO | BABIP | wRC | wRAA | wOBA | wRC+ |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
2024 | Cutter (FC) | 306 | 3.8% | 15.0% | 0.25 | .247 | .275 | .351 | .626 | .104 | .281 | 7.0 | -2.4 | .273 | 86 | |
2024 | Fourseam (FA) | 237 | 5.2% | 31.0% | 0.17 | .151 | .224 | .170 | .394 | .019 | .229 | 1.1 | -5.7 | .189 | 28 | |
2024 | Slider (SL) | 200 | 4.5% | 27.3% | 0.17 | .279 | .303 | .459 | .762 | .180 | .333 | 8.4 | 0.6 | .322 | 120 | |
2024 | Curveball (CU) | 68 | 0.0% | 50.0% | 0.00 | .150 | .150 | .150 | .300 | .000 | .300 | -0.5 | -2.9 | .132 | -10 | |
2025 | Fourseam (FA) | 118 | 13.8% | 20.7% | 0.67 | .160 | .276 | .200 | .476 | .040 | .211 | 1.4 | -1.9 | .231 | 55 | |
2025 | Cutter (FC) | 116 | 0.0% | 6.3% | 0.00 | .161 | .156 | .161 | .318 | .000 | .167 | -0.8 | -4.4 | .139 | -6 | |
2025 | Curveball (CU) | 72 | 5.9% | 23.5% | 0.25 | .250 | .294 | .438 | .732 | .188 | .273 | 2.0 | 0.1 | .320 | 117 | |
2025 | Slider (SL) | 27 | 0.0% | 40.0% | 0.00 | .100 | .100 | .200 | .300 | .100 | .167 | -0.3 | -1.5 | .127 | -14 | |
Total | Cutter (FC) | 422 | 2.7% | 12.5% | 0.21 | .222 | .241 | .296 | .537 | .074 | .245 | 6.2 | -6.9 | .235 | 60 | |
Total | Fourseam (FA) | 355 | 8.0% | 27.6% | 0.29 | .154 | .241 | .179 | .421 | .026 | .222 | 2.5 | -7.6 | .203 | 37 | |
Total | Slider (SL) | 227 | 3.9% | 28.9% | 0.14 | .254 | .276 | .423 | .699 | .169 | .313 | 8.0 | -0.9 | .297 | 102 | |
Total | Curveball (CU) | 140 | 2.7% | 37.8% | 0.07 | .194 | .216 | .278 | .494 | .083 | .286 | 1.5 | -2.8 | .218 | 48 |
Season | Pitch | Pitches | divider | BB% | K% | BB/K | AVG | OBP | SLG | OPS | ISO | BABIP | wRC | wRAA | wOBA | wRC+ |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
2024 | Cutter (FC) | 306 | 3.8% | 15.0% | 0.25 | .247 | .275 | .351 | .626 | .104 | .281 | 7.0 | -2.4 | .273 | 86 | |
2024 | Fourseam (FA) | 237 | 5.2% | 31.0% | 0.17 | .151 | .224 | .170 | .394 | .019 | .229 | 1.1 | -5.7 | .189 | 28 | |
2024 | Slider (SL) | 200 | 4.5% | 27.3% | 0.17 | .279 | .303 | .459 | .762 | .180 | .333 | 8.4 | 0.6 | .322 | 120 | |
2024 | Curveball (CU) | 68 | 0.0% | 50.0% | 0.00 | .150 | .150 | .150 | .300 | .000 | .300 | -0.5 | -2.9 | .132 | -10 | |
2025 | Fourseam (FA) | 118 | 13.8% | 20.7% | 0.67 | .160 | .276 | .200 | .476 | .040 | .211 | 1.4 | -1.9 | .231 | 55 | |
2025 | Cutter (FC) | 116 | 0.0% | 6.3% | 0.00 | .161 | .156 | .161 | .318 | .000 | .167 | -0.8 | -4.4 | .139 | -6 | |
2025 | Curveball (CU) | 72 | 5.9% | 23.5% | 0.25 | .250 | .294 | .438 | .732 | .188 | .273 | 2.0 | 0.1 | .320 | 117 | |
2025 | Slider (SL) | 27 | 0.0% | 40.0% | 0.00 | .100 | .100 | .200 | .300 | .100 | .167 | -0.3 | -1.5 | .127 | -14 | |
Total | Cutter (FC) | 422 | 2.7% | 12.5% | 0.21 | .222 | .241 | .296 | .537 | .074 | .245 | 6.2 | -6.9 | .235 | 60 | |
Total | Fourseam (FA) | 355 | 8.0% | 27.6% | 0.29 | .154 | .241 | .179 | .421 | .026 | .222 | 2.5 | -7.6 | .203 | 37 | |
Total | Slider (SL) | 227 | 3.9% | 28.9% | 0.14 | .254 | .276 | .423 | .699 | .169 | .313 | 8.0 | -0.9 | .297 | 102 | |
Total | Curveball (CU) | 140 | 2.7% | 37.8% | 0.07 | .194 | .216 | .278 | .494 | .083 | .286 | 1.5 | -2.8 | .218 | 48 |
Season | Pitch | Pitches | divider | LD% | GB% | FB% | IFFB% | HR/FB | Strikes | Balls | Pitches | divider | xMov | zMov | Mov |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
2024 | Cutter (FC) | 306 | 25.4% | 52.4% | 22.2% | 42.9% | 7.1% | 216 | 90 | 306 | 2.2 | 4.7 | 5.4 | ||
2024 | Fourseam (FA) | 237 | 23.5% | 41.2% | 35.3% | 25.0% | 0.0% | 160 | 77 | 237 | -3.3 | 11.3 | 11.9 | ||
2024 | Slider (SL) | 200 | 22.7% | 47.7% | 29.5% | 23.1% | 23.1% | 133 | 67 | 200 | 6.5 | 0.4 | 6.8 | ||
2024 | Curveball (CU) | 68 | 10.0% | 70.0% | 20.0% | 0.0% | 0.0% | 37 | 31 | 68 | 3.0 | -8.6 | 9.2 | ||
2025 | Fourseam (FA) | 118 | 21.1% | 21.1% | 57.9% | 36.4% | 0.0% | 77 | 41 | 118 | -2.0 | 11.1 | 11.3 | ||
2025 | Cutter (FC) | 116 | 20.0% | 46.7% | 33.3% | 10.0% | 0.0% | 87 | 29 | 116 | 2.3 | 4.8 | 5.5 | ||
2025 | Curveball (CU) | 72 | 33.3% | 50.0% | 16.7% | 50.0% | 50.0% | 40 | 32 | 72 | 2.8 | -9.2 | 9.7 | ||
2025 | Slider (SL) | 27 | 16.7% | 50.0% | 33.3% | 0.0% | 0.0% | 18 | 9 | 27 | 8.1 | 0.1 | 8.3 | ||
Total | Cutter (FC) | 422 | 23.7% | 50.5% | 25.8% | 29.2% | 4.2% | 303 | 119 | 422 | 2.2 | 4.7 | 5.4 | ||
Total | Fourseam (FA) | 355 | 22.6% | 34.0% | 43.4% | 30.4% | 0.0% | 237 | 118 | 355 | -2.9 | 11.3 | 11.7 | ||
Total | Slider (SL) | 227 | 22.0% | 48.0% | 30.0% | 20.0% | 20.0% | 151 | 76 | 227 | 6.7 | 0.4 | 6.9 | ||
Total | Curveball (CU) | 140 | 22.7% | 59.1% | 18.2% | 25.0% | 25.0% | 77 | 63 | 140 | 2.9 | -8.9 | 9.5 |
Season | Pitch | Pitches | divider | LD% | GB% | FB% | IFFB% | HR/FB | Strikes | Balls | Pitches | divider | xMov | zMov | Mov |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
2024 | Cutter (FC) | 306 | 25.4% | 52.4% | 22.2% | 42.9% | 7.1% | 216 | 90 | 306 | 2.2 | 4.7 | 5.4 | ||
2024 | Fourseam (FA) | 237 | 23.5% | 41.2% | 35.3% | 25.0% | 0.0% | 160 | 77 | 237 | -3.3 | 11.3 | 11.9 | ||
2024 | Slider (SL) | 200 | 22.7% | 47.7% | 29.5% | 23.1% | 23.1% | 133 | 67 | 200 | 6.5 | 0.4 | 6.8 | ||
2024 | Curveball (CU) | 68 | 10.0% | 70.0% | 20.0% | 0.0% | 0.0% | 37 | 31 | 68 | 3.0 | -8.6 | 9.2 | ||
2025 | Fourseam (FA) | 118 | 21.1% | 21.1% | 57.9% | 36.4% | 0.0% | 77 | 41 | 118 | -2.0 | 11.1 | 11.3 | ||
2025 | Cutter (FC) | 116 | 20.0% | 46.7% | 33.3% | 10.0% | 0.0% | 87 | 29 | 116 | 2.3 | 4.8 | 5.5 | ||
2025 | Curveball (CU) | 72 | 33.3% | 50.0% | 16.7% | 50.0% | 50.0% | 40 | 32 | 72 | 2.8 | -9.2 | 9.7 | ||
2025 | Slider (SL) | 27 | 16.7% | 50.0% | 33.3% | 0.0% | 0.0% | 18 | 9 | 27 | 8.1 | 0.1 | 8.3 | ||
Total | Cutter (FC) | 422 | 23.7% | 50.5% | 25.8% | 29.2% | 4.2% | 303 | 119 | 422 | 2.2 | 4.7 | 5.4 | ||
Total | Fourseam (FA) | 355 | 22.6% | 34.0% | 43.4% | 30.4% | 0.0% | 237 | 118 | 355 | -2.9 | 11.3 | 11.7 | ||
Total | Slider (SL) | 227 | 22.0% | 48.0% | 30.0% | 20.0% | 20.0% | 151 | 76 | 227 | 6.7 | 0.4 | 6.9 | ||
Total | Curveball (CU) | 140 | 22.7% | 59.1% | 18.2% | 25.0% | 25.0% | 77 | 63 | 140 | 2.9 | -8.9 | 9.5 |
Season | Pitch | Pitches | divider | O-Swing% | Z-Swing% | Swing% | O-Contact% | Z-Contact% | Contact% | Zone% | SwStr% | divider | pVAL | pVAL/C |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
2024 | Cutter (FC) | 306 | 34.6% | 68.2% | 54.2% | 50.0% | 88.5% | 78.3% | 58.5% | 11.8% | 4.8 | 1.6 | ||
2024 | Fourseam (FA) | 237 | 27.0% | 70.1% | 51.9% | 55.6% | 84.4% | 78.0% | 57.8% | 11.4% | 4.6 | 1.9 | ||
2024 | Slider (SL) | 200 | 46.0% | 81.1% | 59.0% | 39.7% | 90.0% | 65.3% | 37.0% | 20.5% | -2.3 | -1.1 | ||
2024 | Curveball (CU) | 68 | 27.3% | 58.3% | 38.2% | 8.3% | 100.0% | 57.7% | 35.3% | 16.2% | 1.5 | 2.2 | ||
2025 | Fourseam (FA) | 118 | 24.5% | 83.1% | 56.8% | 76.9% | 77.8% | 77.6% | 55.1% | 12.7% | 2.5 | 2.1 | ||
2025 | Cutter (FC) | 116 | 31.6% | 57.7% | 49.1% | 66.7% | 88.9% | 84.2% | 67.2% | 7.8% | 6.4 | 5.5 | ||
2025 | Curveball (CU) | 72 | 37.5% | 70.8% | 48.6% | 50.0% | 94.1% | 71.4% | 33.3% | 13.9% | -1.4 | -1.9 | ||
2025 | Slider (SL) | 27 | 47.4% | 87.5% | 59.3% | 44.4% | 85.7% | 62.5% | 29.6% | 22.2% | 0.9 | 3.2 | ||
Total | Cutter (FC) | 422 | 33.9% | 65.0% | 52.8% | 53.6% | 88.6% | 79.8% | 60.9% | 10.7% | 11.3 | 2.7 | ||
Total | Fourseam (FA) | 355 | 26.1% | 74.3% | 53.5% | 62.5% | 82.0% | 77.9% | 56.9% | 11.8% | 7.2 | 2.0 | ||
Total | Slider (SL) | 227 | 46.2% | 81.7% | 59.0% | 40.3% | 89.6% | 64.9% | 36.1% | 20.7% | -1.4 | -0.6 | ||
Total | Curveball (CU) | 140 | 32.6% | 64.6% | 43.6% | 33.3% | 96.8% | 65.6% | 34.3% | 15.0% | 0.1 | 0.1 |
Season | Pitch | Pitches | divider | O-Swing% | Z-Swing% | Swing% | O-Contact% | Z-Contact% | Contact% | Zone% | SwStr% | divider | pVAL | pVAL/C |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
2024 | Cutter (FC) | 306 | 34.6% | 68.2% | 54.2% | 50.0% | 88.5% | 78.3% | 58.5% | 11.8% | 4.8 | 1.6 | ||
2024 | Fourseam (FA) | 237 | 27.0% | 70.1% | 51.9% | 55.6% | 84.4% | 78.0% | 57.8% | 11.4% | 4.6 | 1.9 | ||
2024 | Slider (SL) | 200 | 46.0% | 81.1% | 59.0% | 39.7% | 90.0% | 65.3% | 37.0% | 20.5% | -2.3 | -1.1 | ||
2024 | Curveball (CU) | 68 | 27.3% | 58.3% | 38.2% | 8.3% | 100.0% | 57.7% | 35.3% | 16.2% | 1.5 | 2.2 | ||
2025 | Fourseam (FA) | 118 | 24.5% | 83.1% | 56.8% | 76.9% | 77.8% | 77.6% | 55.1% | 12.7% | 2.5 | 2.1 | ||
2025 | Cutter (FC) | 116 | 31.6% | 57.7% | 49.1% | 66.7% | 88.9% | 84.2% | 67.2% | 7.8% | 6.4 | 5.5 | ||
2025 | Curveball (CU) | 72 | 37.5% | 70.8% | 48.6% | 50.0% | 94.1% | 71.4% | 33.3% | 13.9% | -1.4 | -1.9 | ||
2025 | Slider (SL) | 27 | 47.4% | 87.5% | 59.3% | 44.4% | 85.7% | 62.5% | 29.6% | 22.2% | 0.9 | 3.2 | ||
Total | Cutter (FC) | 422 | 33.9% | 65.0% | 52.8% | 53.6% | 88.6% | 79.8% | 60.9% | 10.7% | 11.3 | 2.7 | ||
Total | Fourseam (FA) | 355 | 26.1% | 74.3% | 53.5% | 62.5% | 82.0% | 77.9% | 56.9% | 11.8% | 7.2 | 2.0 | ||
Total | Slider (SL) | 227 | 46.2% | 81.7% | 59.0% | 40.3% | 89.6% | 64.9% | 36.1% | 20.7% | -1.4 | -0.6 | ||
Total | Curveball (CU) | 140 | 32.6% | 64.6% | 43.6% | 33.3% | 96.8% | 65.6% | 34.3% | 15.0% | 0.1 | 0.1 |