Breyson Guedez
Athletics (A+)OF
Age: 18
Bats/Throws: L/R
5'11" / 170
DOB: 9/28/2007
(18 years, 11 months, 24 days)
OF
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Preseason ProjectionsIn-Season ProjectionsMinor LeaguesSpring Training
| Season | Team | Level | Age | G | PA | HR | R | RBI | SB | divider | BB% | K% | ISO | BABIP | divider | AVG | OBP | SLG | wOBA | xwOBA | wRC+ | divider | BsR | divider | Off | Def | WAR |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025 | OAK | DSL | 17 | 53 | 210 | 2 | 38 | 46 | 5 | 6.7% | 9.5% | .130 | .385 | .359 | .395 | .490 | .426 | 132 | |||||||||
| 2026 | ATH | ST | 18 | 6 | 10 | 1 | 2 | 2 | 0 | 0.0% | 20.0% | .333 | .429 | .444 | .400 | .778 | .468 | 185 | |||||||||
| 2026 | Steamer | PROJ | 18 | 0 | 1 | 0 | 0 | 0 | 0 | 3.3% | 22.9% | .069 | .233 | .188 | .221 | .257 | .212 | 28 | 0.0 | -0.1 | 0.0 | 0.0 | |||||
| 2026 | OAK | A | 18 | 91 | 414 | 6 | 57 | 64 | 1 | 5.8% | 25.6% | .151 | .411 | .309 | .353 | .460 | .363 | 99 | |||||||||
| 2026 | OAK | A+ | 18 | 29 | 134 | 2 | 20 | 21 | 0 | 3.0% | 19.4% | .073 | .320 | .268 | .308 | .341 | .303 | 56 | |||||||||
| 2026 | OAK | MiLB | 18 | 120 | 548 | 8 | 77 | 85 | 1 | 5.1% | 24.1% | .132 | .387 | .299 | .342 | .431 | .348 | 88 | |||||||||
| 2026 | Steamer | ROS | 18 | 0 | 1 | 0 | 0 | 0 | 0 | 3.0% | 24.3% | .085 | .287 | .225 | .253 | .310 | .247 | 46 | 0.0 | -0.1 | 0.0 | 0.0 |
| Season | Team | Level | Age | G | PA | HR | R | RBI | SB | divider | BB% | K% | ISO | BABIP | divider | AVG | OBP | SLG | wOBA | xwOBA | wRC+ | divider | BsR | divider | Off | Def | WAR |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025 | OAK | DSL | 17 | 53 | 210 | 2 | 38 | 46 | 5 | 6.7% | 9.5% | .130 | .385 | .359 | .395 | .490 | .426 | 132 | |||||||||
| 2026 | ATH | ST | 18 | 6 | 10 | 1 | 2 | 2 | 0 | 0.0% | 20.0% | .333 | .429 | .444 | .400 | .778 | .468 | 185 | |||||||||
| 2026 | Steamer | PROJ | 18 | 0 | 1 | 0 | 0 | 0 | 0 | 3.3% | 22.9% | .069 | .233 | .188 | .221 | .257 | .212 | 28 | 0.0 | -0.1 | 0.0 | 0.0 | |||||
| 2026 | OAK | A | 18 | 91 | 414 | 6 | 57 | 64 | 1 | 5.8% | 25.6% | .151 | .411 | .309 | .353 | .460 | .363 | 99 | |||||||||
| 2026 | OAK | A+ | 18 | 29 | 134 | 2 | 20 | 21 | 0 | 3.0% | 19.4% | .073 | .320 | .268 | .308 | .341 | .303 | 56 | |||||||||
| 2026 | OAK | MiLB | 18 | 120 | 548 | 8 | 77 | 85 | 1 | 5.1% | 24.1% | .132 | .387 | .299 | .342 | .431 | .348 | 88 | |||||||||
| 2026 | Steamer | ROS | 18 | 0 | 1 | 0 | 0 | 0 | 0 | 3.0% | 24.3% | .085 | .287 | .225 | .253 | .310 | .247 | 46 | 0.0 | -0.1 | 0.0 | 0.0 |
Preseason ProjectionsIn-Season ProjectionsMinor LeaguesSpring Training
| Season | Team | Level | G | AB | PA | H | 1B | 2B | 3B | HR | R | RBI | BB | IBB | SO | HBP | SF | SH | GDP | SB | CS | AVG |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025 | OAK | DSL | 53 | 192 | 210 | 69 | 50 | 15 | 2 | 2 | 38 | 46 | 14 | 0 | 20 | 0 | 4 | 0 | 5 | 5 | 1 | .359 |
| 2026 | ATH | ST | 6 | 9 | 10 | 4 | 3 | 0 | 0 | 1 | 2 | 2 | 0 | 0 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | .444 |
| 2026 | Steamer | PROJ | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .188 | |
| 2026 | OAK | A | 91 | 385 | 414 | 119 | 80 | 26 | 7 | 6 | 57 | 64 | 24 | 2 | 106 | 3 | 2 | 0 | 9 | 1 | 1 | .309 |
| 2026 | OAK | A+ | 29 | 123 | 134 | 33 | 28 | 3 | 0 | 2 | 20 | 21 | 4 | 0 | 26 | 4 | 2 | 0 | 5 | 0 | 0 | .268 |
| 2026 | OAK | MiLB | 120 | 508 | 548 | 152 | 108 | 29 | 7 | 8 | 77 | 85 | 28 | 2 | 132 | 7 | 4 | 0 | 14 | 1 | 1 | .299 |
| 2026 | Steamer | ROS | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .225 |
| Season | Team | Level | G | AB | PA | H | 1B | 2B | 3B | HR | R | RBI | BB | IBB | SO | HBP | SF | SH | GDP | SB | CS | AVG |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025 | OAK | DSL | 53 | 192 | 210 | 69 | 50 | 15 | 2 | 2 | 38 | 46 | 14 | 0 | 20 | 0 | 4 | 0 | 5 | 5 | 1 | .359 |
| 2026 | ATH | ST | 6 | 9 | 10 | 4 | 3 | 0 | 0 | 1 | 2 | 2 | 0 | 0 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | .444 |
| 2026 | Steamer | PROJ | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .188 | |
| 2026 | OAK | A | 91 | 385 | 414 | 119 | 80 | 26 | 7 | 6 | 57 | 64 | 24 | 2 | 106 | 3 | 2 | 0 | 9 | 1 | 1 | .309 |
| 2026 | OAK | A+ | 29 | 123 | 134 | 33 | 28 | 3 | 0 | 2 | 20 | 21 | 4 | 0 | 26 | 4 | 2 | 0 | 5 | 0 | 0 | .268 |
| 2026 | OAK | MiLB | 120 | 508 | 548 | 152 | 108 | 29 | 7 | 8 | 77 | 85 | 28 | 2 | 132 | 7 | 4 | 0 | 14 | 1 | 1 | .299 |
| 2026 | Steamer | ROS | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .225 |
Preseason ProjectionsIn-Season ProjectionsMinor LeaguesSpring TrainingAverages
| Season | Team | Level | BB% | K% | BB/K | divider | AVG | OBP | SLG | OPS | divider | ISO | Spd | BABIP | divider | UBR | wGDP | XBR | wSB | divider | wRC | wRAA | wOBA | wRC+ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025 | OAK | DSL | 6.7% | 9.5% | 0.70 | .359 | .395 | .490 | .885 | .130 | 6.3 | .385 | 0.2 | 41 | 8.8 | .426 | 132 | |||||||
| 2026 | ATH | ST | 0.0% | 20.0% | 0.00 | .444 | .400 | .778 | 1.178 | .333 | 1.6 | .429 | 0.0 | 2 | 1.1 | .468 | 185 | |||||||
| 2026 | Steamer | PROJ | 3.3% | 22.9% | 0.14 | .188 | .221 | .257 | .478 | .069 | 3.7 | .233 | 0.0 | 0.0 | 0 | -0.1 | .212 | 28 | ||||||
| 2026 | OAK | A | 5.8% | 25.6% | 0.23 | .309 | .353 | .460 | .812 | .151 | 4.9 | .411 | -1.2 | 65 | 1.5 | .363 | 99 | |||||||
| 2026 | OAK | A+ | 3.0% | 19.4% | 0.15 | .268 | .308 | .341 | .650 | .073 | 2.6 | .320 | -0.4 | 13 | -6.1 | .303 | 56 | |||||||
| 2026 | OAK | MiLB | 5.1% | 24.1% | 0.21 | .299 | .342 | .431 | .773 | .132 | 4.8 | .387 | -1.5 | 78 | -4.6 | .348 | 88 | |||||||
| 2026 | Steamer | ROS | 3.0% | 24.3% | 0.12 | .225 | .253 | .310 | .563 | .085 | 3.4 | .287 | 0.0 | 0.0 | 0 | -0.1 | .247 | 46 |
| Season | Team | Level | BB% | K% | BB/K | divider | AVG | OBP | SLG | OPS | divider | ISO | Spd | BABIP | divider | UBR | wGDP | XBR | wSB | divider | wRC | wRAA | wOBA | wRC+ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025 | OAK | DSL | 6.7% | 9.5% | 0.70 | .359 | .395 | .490 | .885 | .130 | 6.3 | .385 | 0.2 | 41 | 8.8 | .426 | 132 | |||||||
| 2026 | ATH | ST | 0.0% | 20.0% | 0.00 | .444 | .400 | .778 | 1.178 | .333 | 1.6 | .429 | 0.0 | 2 | 1.1 | .468 | 185 | |||||||
| 2026 | Steamer | PROJ | 3.3% | 22.9% | 0.14 | .188 | .221 | .257 | .478 | .069 | 3.7 | .233 | 0.0 | 0.0 | 0 | -0.1 | .212 | 28 | ||||||
| 2026 | OAK | A | 5.8% | 25.6% | 0.23 | .309 | .353 | .460 | .812 | .151 | 4.9 | .411 | -1.2 | 65 | 1.5 | .363 | 99 | |||||||
| 2026 | OAK | A+ | 3.0% | 19.4% | 0.15 | .268 | .308 | .341 | .650 | .073 | 2.6 | .320 | -0.4 | 13 | -6.1 | .303 | 56 | |||||||
| 2026 | OAK | MiLB | 5.1% | 24.1% | 0.21 | .299 | .342 | .431 | .773 | .132 | 4.8 | .387 | -1.5 | 78 | -4.6 | .348 | 88 | |||||||
| 2026 | Steamer | ROS | 3.0% | 24.3% | 0.12 | .225 | .253 | .310 | .563 | .085 | 3.4 | .287 | 0.0 | 0.0 | 0 | -0.1 | .247 | 46 |
