
Justin Slaten
Boston Red SoxP
Age: 27
Bats/Throws: R/R
6'4" / 222
DOB: 9/15/1997
(27 years, 7 months, 16 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) | 58 | 14 | 16 | 2 | 2 | 0 | 0 | 0 | 2 | 0 | 2 | 0 | 0 | 0 | 0 | .143 | 95.9 | 98.8 | 97.1 | ||
2025 | Cutter (FC) | 45 | 11 | 11 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | .273 | 90.2 | 95.5 | 93.0 | ||
2025 | Curveball (CU) | 28 | 6 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | .000 | 82.1 | 87.0 | 85.0 | ||
2025 | Slider (SL) | 12 | 5 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | .000 | 84.2 | 85.8 | 84.8 | ||
Total | Cutter (FC) | 351 | 88 | 91 | 22 | 16 | 5 | 0 | 1 | 3 | 0 | 14 | 0 | 0 | 0 | 2 | .250 | 87.3 | 95.5 | 91.7 | ||
Total | Fourseam (FA) | 295 | 67 | 74 | 10 | 9 | 1 | 0 | 0 | 5 | 0 | 20 | 2 | 0 | 0 | 0 | .149 | 94.1 | 98.8 | 96.5 | ||
Total | Slider (SL) | 212 | 66 | 71 | 17 | 13 | 0 | 1 | 3 | 3 | 0 | 20 | 0 | 2 | 0 | 1 | .258 | 81.0 | 86.7 | 84.0 | ||
Total | Curveball (CU) | 96 | 26 | 26 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 13 | 0 | 0 | 0 | 0 | .115 | 80.6 | 87.2 | 84.5 |
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) | 58 | 14 | 16 | 2 | 2 | 0 | 0 | 0 | 2 | 0 | 2 | 0 | 0 | 0 | 0 | .143 | 95.9 | 98.8 | 97.1 | ||
2025 | Cutter (FC) | 45 | 11 | 11 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | .273 | 90.2 | 95.5 | 93.0 | ||
2025 | Curveball (CU) | 28 | 6 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | .000 | 82.1 | 87.0 | 85.0 | ||
2025 | Slider (SL) | 12 | 5 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | .000 | 84.2 | 85.8 | 84.8 | ||
Total | Cutter (FC) | 351 | 88 | 91 | 22 | 16 | 5 | 0 | 1 | 3 | 0 | 14 | 0 | 0 | 0 | 2 | .250 | 87.3 | 95.5 | 91.7 | ||
Total | Fourseam (FA) | 295 | 67 | 74 | 10 | 9 | 1 | 0 | 0 | 5 | 0 | 20 | 2 | 0 | 0 | 0 | .149 | 94.1 | 98.8 | 96.5 | ||
Total | Slider (SL) | 212 | 66 | 71 | 17 | 13 | 0 | 1 | 3 | 3 | 0 | 20 | 0 | 2 | 0 | 1 | .258 | 81.0 | 86.7 | 84.0 | ||
Total | Curveball (CU) | 96 | 26 | 26 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 13 | 0 | 0 | 0 | 0 | .115 | 80.6 | 87.2 | 84.5 |
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) | 58 | 12.5% | 12.5% | 1.00 | .143 | .250 | .143 | .393 | .000 | .167 | 0.4 | -1.5 | .199 | 35 | |
2025 | Cutter (FC) | 45 | 0.0% | 18.2% | 0.00 | .273 | .273 | .273 | .545 | .000 | .333 | 0.7 | -0.6 | .244 | 66 | |
2025 | Curveball (CU) | 28 | 0.0% | 50.0% | 0.00 | .000 | .000 | .000 | .000 | .000 | .000 | -0.8 | -1.5 | .000 | -100 | |
2025 | Slider (SL) | 12 | 0.0% | 40.0% | 0.00 | .000 | .000 | .000 | .000 | .000 | .000 | -0.7 | -1.2 | .000 | -100 | |
Total | Cutter (FC) | 351 | 3.3% | 15.4% | 0.21 | .250 | .275 | .341 | .616 | .091 | .288 | 7.6 | -3.0 | .270 | 84 | |
Total | Fourseam (FA) | 295 | 6.8% | 27.0% | 0.25 | .149 | .230 | .164 | .394 | .015 | .213 | 1.5 | -7.1 | .191 | 29 | |
Total | Slider (SL) | 212 | 4.2% | 28.2% | 0.15 | .258 | .282 | .424 | .706 | .167 | .311 | 7.7 | -0.6 | .300 | 105 | |
Total | Curveball (CU) | 96 | 0.0% | 50.0% | 0.00 | .115 | .115 | .115 | .231 | .000 | .231 | -1.3 | -4.4 | .102 | -31 |
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) | 58 | 12.5% | 12.5% | 1.00 | .143 | .250 | .143 | .393 | .000 | .167 | 0.4 | -1.5 | .199 | 35 | |
2025 | Cutter (FC) | 45 | 0.0% | 18.2% | 0.00 | .273 | .273 | .273 | .545 | .000 | .333 | 0.7 | -0.6 | .244 | 66 | |
2025 | Curveball (CU) | 28 | 0.0% | 50.0% | 0.00 | .000 | .000 | .000 | .000 | .000 | .000 | -0.8 | -1.5 | .000 | -100 | |
2025 | Slider (SL) | 12 | 0.0% | 40.0% | 0.00 | .000 | .000 | .000 | .000 | .000 | .000 | -0.7 | -1.2 | .000 | -100 | |
Total | Cutter (FC) | 351 | 3.3% | 15.4% | 0.21 | .250 | .275 | .341 | .616 | .091 | .288 | 7.6 | -3.0 | .270 | 84 | |
Total | Fourseam (FA) | 295 | 6.8% | 27.0% | 0.25 | .149 | .230 | .164 | .394 | .015 | .213 | 1.5 | -7.1 | .191 | 29 | |
Total | Slider (SL) | 212 | 4.2% | 28.2% | 0.15 | .258 | .282 | .424 | .706 | .167 | .311 | 7.7 | -0.6 | .300 | 105 | |
Total | Curveball (CU) | 96 | 0.0% | 50.0% | 0.00 | .115 | .115 | .115 | .231 | .000 | .231 | -1.3 | -4.4 | .102 | -31 |
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) | 58 | 33.3% | 8.3% | 58.3% | 28.6% | 0.0% | 38 | 20 | 58 | -2.2 | 11.3 | 11.6 | ||
2025 | Cutter (FC) | 45 | 33.3% | 33.3% | 33.3% | 0.0% | 0.0% | 34 | 11 | 45 | 2.1 | 5.1 | 5.7 | ||
2025 | Curveball (CU) | 28 | 33.3% | 33.3% | 33.3% | 100.0% | 0.0% | 15 | 13 | 28 | 2.7 | -9.0 | 9.5 | ||
2025 | Slider (SL) | 12 | 33.3% | 33.3% | 33.3% | 0.0% | 0.0% | 8 | 4 | 12 | 7.6 | 0.3 | 7.8 | ||
Total | Cutter (FC) | 351 | 26.4% | 50.0% | 23.6% | 35.3% | 5.9% | 250 | 101 | 351 | 2.2 | 4.7 | 5.4 | ||
Total | Fourseam (FA) | 295 | 26.1% | 32.6% | 41.3% | 26.3% | 0.0% | 198 | 97 | 295 | -3.1 | 11.3 | 11.8 | ||
Total | Slider (SL) | 212 | 23.4% | 46.8% | 29.8% | 21.4% | 21.4% | 141 | 71 | 212 | 6.6 | 0.4 | 6.8 | ||
Total | Curveball (CU) | 96 | 15.4% | 61.5% | 23.1% | 33.3% | 0.0% | 52 | 44 | 96 | 2.9 | -8.7 | 9.3 |
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) | 58 | 33.3% | 8.3% | 58.3% | 28.6% | 0.0% | 38 | 20 | 58 | -2.2 | 11.3 | 11.6 | ||
2025 | Cutter (FC) | 45 | 33.3% | 33.3% | 33.3% | 0.0% | 0.0% | 34 | 11 | 45 | 2.1 | 5.1 | 5.7 | ||
2025 | Curveball (CU) | 28 | 33.3% | 33.3% | 33.3% | 100.0% | 0.0% | 15 | 13 | 28 | 2.7 | -9.0 | 9.5 | ||
2025 | Slider (SL) | 12 | 33.3% | 33.3% | 33.3% | 0.0% | 0.0% | 8 | 4 | 12 | 7.6 | 0.3 | 7.8 | ||
Total | Cutter (FC) | 351 | 26.4% | 50.0% | 23.6% | 35.3% | 5.9% | 250 | 101 | 351 | 2.2 | 4.7 | 5.4 | ||
Total | Fourseam (FA) | 295 | 26.1% | 32.6% | 41.3% | 26.3% | 0.0% | 198 | 97 | 295 | -3.1 | 11.3 | 11.8 | ||
Total | Slider (SL) | 212 | 23.4% | 46.8% | 29.8% | 21.4% | 21.4% | 141 | 71 | 212 | 6.6 | 0.4 | 6.8 | ||
Total | Curveball (CU) | 96 | 15.4% | 61.5% | 23.1% | 33.3% | 0.0% | 52 | 44 | 96 | 2.9 | -8.7 | 9.3 |
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) | 58 | 24.0% | 81.8% | 56.9% | 83.3% | 77.8% | 78.8% | 56.9% | 12.1% | 1.7 | 3.0 | ||
2025 | Cutter (FC) | 45 | 33.3% | 60.0% | 51.1% | 60.0% | 77.8% | 73.9% | 66.7% | 13.3% | 1.3 | 2.9 | ||
2025 | Curveball (CU) | 28 | 42.1% | 44.4% | 42.9% | 50.0% | 75.0% | 58.3% | 32.1% | 17.9% | 0.9 | 3.3 | ||
2025 | Slider (SL) | 12 | 50.0% | 75.0% | 58.3% | 50.0% | 66.7% | 57.1% | 33.3% | 25.0% | 1.0 | 8.5 | ||
Total | Cutter (FC) | 351 | 34.5% | 67.0% | 53.8% | 51.0% | 87.1% | 77.8% | 59.5% | 12.0% | 6.1 | 1.8 | ||
Total | Fourseam (FA) | 295 | 26.4% | 72.4% | 52.9% | 60.6% | 82.9% | 78.2% | 57.6% | 11.5% | 6.3 | 2.1 | ||
Total | Slider (SL) | 212 | 46.3% | 80.8% | 59.0% | 40.3% | 88.9% | 64.8% | 36.8% | 20.8% | -1.2 | -0.6 | ||
Total | Curveball (CU) | 96 | 31.7% | 54.5% | 39.6% | 25.0% | 94.4% | 57.9% | 34.4% | 16.7% | 2.4 | 2.5 |
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) | 58 | 24.0% | 81.8% | 56.9% | 83.3% | 77.8% | 78.8% | 56.9% | 12.1% | 1.7 | 3.0 | ||
2025 | Cutter (FC) | 45 | 33.3% | 60.0% | 51.1% | 60.0% | 77.8% | 73.9% | 66.7% | 13.3% | 1.3 | 2.9 | ||
2025 | Curveball (CU) | 28 | 42.1% | 44.4% | 42.9% | 50.0% | 75.0% | 58.3% | 32.1% | 17.9% | 0.9 | 3.3 | ||
2025 | Slider (SL) | 12 | 50.0% | 75.0% | 58.3% | 50.0% | 66.7% | 57.1% | 33.3% | 25.0% | 1.0 | 8.5 | ||
Total | Cutter (FC) | 351 | 34.5% | 67.0% | 53.8% | 51.0% | 87.1% | 77.8% | 59.5% | 12.0% | 6.1 | 1.8 | ||
Total | Fourseam (FA) | 295 | 26.4% | 72.4% | 52.9% | 60.6% | 82.9% | 78.2% | 57.6% | 11.5% | 6.3 | 2.1 | ||
Total | Slider (SL) | 212 | 46.3% | 80.8% | 59.0% | 40.3% | 88.9% | 64.8% | 36.8% | 20.8% | -1.2 | -0.6 | ||
Total | Curveball (CU) | 96 | 31.7% | 54.5% | 39.6% | 25.0% | 94.4% | 57.9% | 34.4% | 16.7% | 2.4 | 2.5 |