Kelvin Diaz
Boston Red Sox (A)OF
Age: 22
Bats/Throws: R/R
6'0" / 148
DOB: 3/17/2003
(22 years, 3 months, 1 day)
OF
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Preseason ProjectionsIn-Season ProjectionsMinor LeaguesSpring Training
| Season | Team | Level | Age | G G - Games Played | PA PA - Plate Appearances | HR HR - Home Runs | R R - Runs | RBI RBI - Runs Batted In | SB SB - Stolen Bases | divider | BB% BB% - Walk Percentage (BB/PA) | K% K% - Strikeout Percentage (SO/PA) | ISO ISO - Isolated Power (SLG-AVG) | BABIP BABIP - Batting Average on Balls in Play | divider | AVG AVG - Batting Average (H/AB) | OBP OBP - On Base Percentage | SLG SLG - Slugging Percentage | wOBA wOBA - Weighted On Base Average (Linear Weights) | xwOBA xwOBA - Expected weighted on-base average | wRC+ wRC+ - Runs per PA scaled where 100 is average; both league and park adjusted; based on wOBA | divider | BsR Base Running - Base running runs above average, includes SB or CS | divider | Off Offense - Batting and Base Running combined (above average) | Def Defense - Fielding and Positional Adjustment combined (above average) | WAR WAR - Wins Above Replacement |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2021 | BOS | DSL | 18 | 46 | 163 | 2 | 23 | 16 | 13 | 8.0% | 23.9% | .106 | .304 | .234 | .325 | .340 | .334 | 95 | |||||||||
| 2022 | BOS | DSL | 19 | 46 | 207 | 6 | 41 | 30 | 20 | 7.7% | 26.6% | .213 | .308 | .242 | .333 | .455 | .373 | 110 | |||||||||
| 2023 | BOS | CPX | 20 | 47 | 178 | 2 | 30 | 16 | 21 | 19.1% | 27.5% | .102 | .310 | .212 | .384 | .314 | .364 | 91 | |||||||||
| 2024 | BOS | CPX | 21 | 47 | 135 | 2 | 26 | 17 | 20 | 9.6% | 28.9% | .140 | .416 | .298 | .378 | .439 | .388 | 111 | |||||||||
| 2024 | BOS | A | 21 | 29 | 109 | 1 | 16 | 7 | 8 | 5.5% | 37.6% | .126 | .344 | .214 | .257 | .340 | .284 | 70 | |||||||||
| 2024 | BOS | MiLB | 21 | 76 | 244 | 3 | 42 | 24 | 28 | 7.8% | 32.8% | .134 | .384 | .258 | .324 | .392 | .342 | 93 | |||||||||
| 2024 | BOS | ST | 21 | 3 | 4 | 0 | 1 | 0 | 2 | 25.0% | 50.0% | .000 | .000 | .000 | .250 | .000 | .180 | -3 | |||||||||
| 2025 | BOS | ST | 22 | 1 | 0 | 0 | 0 | 0 | 0 | 0.0% | 0.0% | .000 | .000 | .000 | .000 | .000 | .000 | -100 | |||||||||
| 2025 | Steamer | PROJ | 22 | 0 | 1 | 0 | 0 | 0 | 0 | 4.9% | 36.4% | .080 | .251 | .166 | .215 | .246 | .206 | 23 | 0.0 | -0.1 | 0.0 | 0.0 | |||||
| 2025 | OOPSY | PROJ | 22 | 0 | 1 | 0 | 0 | 0 | 0 | 5.5% | 39.0% | .094 | .292 | .183 | .234 | .277 | .228 | 38 | 0.0 | -0.1 | 0.0 | 0.0 | |||||
| 2025 | BOS | A | 22 | 35 | 120 | 4 | 17 | 16 | 9 | 8.3% | 25.8% | .150 | .205 | .178 | .252 | .327 | .283 | 62 | |||||||||
| 2025 | Steamer | ROS | 0 | 1 | 0 | 0 | 0 | 0 | 4.9% | 33.6% | .085 | .243 | .170 | .218 | .256 | .213 | 25 | 0.0 | -0.1 | 0.0 | 0.0 |
| Season | Team | Level | Age | G G - Games Played | PA PA - Plate Appearances | HR HR - Home Runs | R R - Runs | RBI RBI - Runs Batted In | SB SB - Stolen Bases | divider | BB% BB% - Walk Percentage (BB/PA) | K% K% - Strikeout Percentage (SO/PA) | ISO ISO - Isolated Power (SLG-AVG) | BABIP BABIP - Batting Average on Balls in Play | divider | AVG AVG - Batting Average (H/AB) | OBP OBP - On Base Percentage | SLG SLG - Slugging Percentage | wOBA wOBA - Weighted On Base Average (Linear Weights) | xwOBA xwOBA - Expected weighted on-base average | wRC+ wRC+ - Runs per PA scaled where 100 is average; both league and park adjusted; based on wOBA | divider | BsR Base Running - Base running runs above average, includes SB or CS | divider | Off Offense - Batting and Base Running combined (above average) | Def Defense - Fielding and Positional Adjustment combined (above average) | WAR WAR - Wins Above Replacement |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2021 | BOS | DSL | 18 | 46 | 163 | 2 | 23 | 16 | 13 | 8.0% | 23.9% | .106 | .304 | .234 | .325 | .340 | .334 | 95 | |||||||||
| 2022 | BOS | DSL | 19 | 46 | 207 | 6 | 41 | 30 | 20 | 7.7% | 26.6% | .213 | .308 | .242 | .333 | .455 | .373 | 110 | |||||||||
| 2023 | BOS | CPX | 20 | 47 | 178 | 2 | 30 | 16 | 21 | 19.1% | 27.5% | .102 | .310 | .212 | .384 | .314 | .364 | 91 | |||||||||
| 2024 | BOS | CPX | 21 | 47 | 135 | 2 | 26 | 17 | 20 | 9.6% | 28.9% | .140 | .416 | .298 | .378 | .439 | .388 | 111 | |||||||||
| 2024 | BOS | A | 21 | 29 | 109 | 1 | 16 | 7 | 8 | 5.5% | 37.6% | .126 | .344 | .214 | .257 | .340 | .284 | 70 | |||||||||
| 2024 | BOS | MiLB | 21 | 76 | 244 | 3 | 42 | 24 | 28 | 7.8% | 32.8% | .134 | .384 | .258 | .324 | .392 | .342 | 93 | |||||||||
| 2024 | BOS | ST | 21 | 3 | 4 | 0 | 1 | 0 | 2 | 25.0% | 50.0% | .000 | .000 | .000 | .250 | .000 | .180 | -3 | |||||||||
| 2025 | BOS | ST | 22 | 1 | 0 | 0 | 0 | 0 | 0 | 0.0% | 0.0% | .000 | .000 | .000 | .000 | .000 | .000 | -100 | |||||||||
| 2025 | Steamer | PROJ | 22 | 0 | 1 | 0 | 0 | 0 | 0 | 4.9% | 36.4% | .080 | .251 | .166 | .215 | .246 | .206 | 23 | 0.0 | -0.1 | 0.0 | 0.0 | |||||
| 2025 | OOPSY | PROJ | 22 | 0 | 1 | 0 | 0 | 0 | 0 | 5.5% | 39.0% | .094 | .292 | .183 | .234 | .277 | .228 | 38 | 0.0 | -0.1 | 0.0 | 0.0 | |||||
| 2025 | BOS | A | 22 | 35 | 120 | 4 | 17 | 16 | 9 | 8.3% | 25.8% | .150 | .205 | .178 | .252 | .327 | .283 | 62 | |||||||||
| 2025 | Steamer | ROS | 0 | 1 | 0 | 0 | 0 | 0 | 4.9% | 33.6% | .085 | .243 | .170 | .218 | .256 | .213 | 25 | 0.0 | -0.1 | 0.0 | 0.0 |
Preseason ProjectionsIn-Season ProjectionsMinor LeaguesSpring Training
| Season | Team | Level | G G - Games Played | AB AB - At Bats | PA PA - Plate Appearances | H H - Hits | 1B 1B - Singles | 2B 2B - Doubles | 3B 3B - Triples | HR HR - Home Runs | R R - Runs | RBI RBI - Runs Batted In | BB BB - Walks | IBB IBB - Intentional Walks | SO SO - Strike Outs | HBP HBP - Hit by Pitch | SF SF - Sacrifice Fly | SH SH - Sacrifice Hit | GDP GDP - Ground into Double Play | SB SB - Stolen Bases | CS CS - Caught Stealing | AVG AVG - Batting Average (H/AB) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2021 | BOS | DSL | 46 | 141 | 163 | 33 | 24 | 5 | 2 | 2 | 23 | 16 | 13 | 0 | 39 | 7 | 2 | 0 | 2 | 13 | 6 | .234 |
| 2022 | BOS | DSL | 46 | 178 | 207 | 43 | 21 | 12 | 4 | 6 | 41 | 30 | 16 | 0 | 55 | 10 | 3 | 0 | 1 | 20 | 3 | .242 |
| 2023 | BOS | CPX | 47 | 137 | 178 | 29 | 21 | 4 | 2 | 2 | 30 | 16 | 34 | 0 | 49 | 5 | 1 | 1 | 0 | 21 | 4 | .212 |
| 2024 | BOS | CPX | 47 | 114 | 135 | 34 | 22 | 10 | 0 | 2 | 26 | 17 | 13 | 1 | 39 | 4 | 4 | 0 | 0 | 20 | 2 | .298 |
| 2024 | BOS | A | 29 | 103 | 109 | 22 | 12 | 8 | 1 | 1 | 16 | 7 | 6 | 0 | 41 | 0 | 0 | 0 | 1 | 8 | 2 | .214 |
| 2024 | BOS | MiLB | 76 | 217 | 244 | 56 | 34 | 18 | 1 | 3 | 42 | 24 | 19 | 1 | 80 | 4 | 4 | 0 | 1 | 28 | 4 | .258 |
| 2024 | BOS | ST | 3 | 3 | 4 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 2 | 0 | 0 | 0 | 0 | 2 | 0 | .000 |
| 2025 | BOS | ST | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 |
| 2025 | Steamer | PROJ | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .166 | |
| 2025 | OOPSY | PROJ | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .183 | |
| 2025 | BOS | A | 35 | 107 | 120 | 19 | 11 | 4 | 0 | 4 | 17 | 16 | 10 | 0 | 31 | 1 | 1 | 0 | 0 | 9 | 4 | .178 |
| 2025 | Steamer | ROS | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .170 |
| Season | Team | Level | G G - Games Played | AB AB - At Bats | PA PA - Plate Appearances | H H - Hits | 1B 1B - Singles | 2B 2B - Doubles | 3B 3B - Triples | HR HR - Home Runs | R R - Runs | RBI RBI - Runs Batted In | BB BB - Walks | IBB IBB - Intentional Walks | SO SO - Strike Outs | HBP HBP - Hit by Pitch | SF SF - Sacrifice Fly | SH SH - Sacrifice Hit | GDP GDP - Ground into Double Play | SB SB - Stolen Bases | CS CS - Caught Stealing | AVG AVG - Batting Average (H/AB) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2021 | BOS | DSL | 46 | 141 | 163 | 33 | 24 | 5 | 2 | 2 | 23 | 16 | 13 | 0 | 39 | 7 | 2 | 0 | 2 | 13 | 6 | .234 |
| 2022 | BOS | DSL | 46 | 178 | 207 | 43 | 21 | 12 | 4 | 6 | 41 | 30 | 16 | 0 | 55 | 10 | 3 | 0 | 1 | 20 | 3 | .242 |
| 2023 | BOS | CPX | 47 | 137 | 178 | 29 | 21 | 4 | 2 | 2 | 30 | 16 | 34 | 0 | 49 | 5 | 1 | 1 | 0 | 21 | 4 | .212 |
| 2024 | BOS | CPX | 47 | 114 | 135 | 34 | 22 | 10 | 0 | 2 | 26 | 17 | 13 | 1 | 39 | 4 | 4 | 0 | 0 | 20 | 2 | .298 |
| 2024 | BOS | A | 29 | 103 | 109 | 22 | 12 | 8 | 1 | 1 | 16 | 7 | 6 | 0 | 41 | 0 | 0 | 0 | 1 | 8 | 2 | .214 |
| 2024 | BOS | MiLB | 76 | 217 | 244 | 56 | 34 | 18 | 1 | 3 | 42 | 24 | 19 | 1 | 80 | 4 | 4 | 0 | 1 | 28 | 4 | .258 |
| 2024 | BOS | ST | 3 | 3 | 4 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 2 | 0 | 0 | 0 | 0 | 2 | 0 | .000 |
| 2025 | BOS | ST | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 |
| 2025 | Steamer | PROJ | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .166 | |
| 2025 | OOPSY | PROJ | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .183 | |
| 2025 | BOS | A | 35 | 107 | 120 | 19 | 11 | 4 | 0 | 4 | 17 | 16 | 10 | 0 | 31 | 1 | 1 | 0 | 0 | 9 | 4 | .178 |
| 2025 | Steamer | ROS | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .170 |
Preseason ProjectionsIn-Season ProjectionsMinor LeaguesSpring TrainingAverages
| Season | Team | Level | BB% BB% - Walk Percentage (BB/PA) | K% K% - Strikeout Percentage (SO/PA) | BB/K BB/K - Walk to Strikeout Ratio (BB/SO) | divider | AVG AVG - Batting Average (H/AB) | OBP OBP - On Base Percentage | SLG SLG - Slugging Percentage | OPS OPS - On Base + Slugging Percentage | divider | ISO ISO - Isolated Power (SLG-AVG) | Spd Spd - Speed Score (4 Component Version) | BABIP BABIP - Batting Average on Balls in Play | divider | UBR UBR - Ultimate Base Running in runs above average, does not include SB or CS | wGDP wGDP - Ground into Double Play Runs above average | XBR XBR - Statcast baserunning above average | wSB wSB - Stolen Bases and Caught Stealing runs above average | divider | wRC wRC - Runs Created based wOBA | wRAA wRAA - Runs Above Average based on wOBA | wOBA wOBA - Weighted On Base Average (Linear Weights) | wRC+ wRC+ - Runs per PA scaled where 100 is average; both league and park adjusted; based on wOBA |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2021 | BOS | DSL | 8.0% | 23.9% | 0.33 | .234 | .325 | .340 | .666 | .106 | 8.4 | .304 | -0.3 | 21 | -1.6 | .334 | 95 | |||||||
| 2022 | BOS | DSL | 7.7% | 26.6% | 0.29 | .242 | .333 | .455 | .788 | .213 | 9.6 | .308 | 2.5 | 33 | 2.8 | .373 | 110 | |||||||
| 2023 | BOS | CPX | 19.1% | 27.5% | 0.69 | .212 | .384 | .314 | .698 | .102 | 9.2 | .310 | 1.9 | 26 | -0.1 | .364 | 91 | |||||||
| 2024 | BOS | CPX | 9.6% | 28.9% | 0.33 | .298 | .378 | .439 | .816 | .140 | 7.4 | .416 | 2.7 | 23 | 3.7 | .388 | 111 | |||||||
| 2024 | BOS | A | 5.5% | 37.6% | 0.15 | .214 | .257 | .340 | .597 | .126 | 8.8 | .344 | 0.5 | 10 | -3.2 | .284 | 70 | |||||||
| 2024 | BOS | MiLB | 7.8% | 32.8% | 0.24 | .258 | .324 | .392 | .715 | .134 | 8.2 | .384 | 3.2 | 32 | 0.5 | .342 | 93 | |||||||
| 2024 | BOS | ST | 25.0% | 50.0% | 0.50 | .000 | .250 | .000 | .250 | .000 | 7.5 | .000 | 0.4 | 0 | -0.5 | .180 | -3 | |||||||
| 2025 | BOS | ST | 0.0% | 0.0% | 0.00 | .000 | .000 | .000 | .000 | .000 | 0.1 | .000 | 0.0 | 0 | 0.0 | .000 | -100 | |||||||
| 2025 | Steamer | PROJ | 4.9% | 36.4% | 0.13 | .166 | .215 | .246 | .461 | .080 | 5.2 | .251 | 0.0 | 0.0 | 0 | -0.1 | .206 | 23 | ||||||
| 2025 | OOPSY | PROJ | 5.5% | 39.0% | 0.14 | .183 | .234 | .277 | .511 | .094 | 6.0 | .292 | 0.0 | 0 | -0.1 | .228 | 38 | |||||||
| 2025 | BOS | A | 8.3% | 25.8% | 0.32 | .178 | .252 | .327 | .579 | .150 | 6.3 | .205 | -0.2 | 10 | -4.8 | .283 | 62 | |||||||
| 2025 | Steamer | ROS | 4.9% | 33.6% | 0.15 | .170 | .218 | .256 | .474 | .085 | 5.1 | .243 | 0.0 | 0.0 | 0 | -0.1 | .213 | 25 |
| Season | Team | Level | BB% BB% - Walk Percentage (BB/PA) | K% K% - Strikeout Percentage (SO/PA) | BB/K BB/K - Walk to Strikeout Ratio (BB/SO) | divider | AVG AVG - Batting Average (H/AB) | OBP OBP - On Base Percentage | SLG SLG - Slugging Percentage | OPS OPS - On Base + Slugging Percentage | divider | ISO ISO - Isolated Power (SLG-AVG) | Spd Spd - Speed Score (4 Component Version) | BABIP BABIP - Batting Average on Balls in Play | divider | UBR UBR - Ultimate Base Running in runs above average, does not include SB or CS | wGDP wGDP - Ground into Double Play Runs above average | XBR XBR - Statcast baserunning above average | wSB wSB - Stolen Bases and Caught Stealing runs above average | divider | wRC wRC - Runs Created based wOBA | wRAA wRAA - Runs Above Average based on wOBA | wOBA wOBA - Weighted On Base Average (Linear Weights) | wRC+ wRC+ - Runs per PA scaled where 100 is average; both league and park adjusted; based on wOBA |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2021 | BOS | DSL | 8.0% | 23.9% | 0.33 | .234 | .325 | .340 | .666 | .106 | 8.4 | .304 | -0.3 | 21 | -1.6 | .334 | 95 | |||||||
| 2022 | BOS | DSL | 7.7% | 26.6% | 0.29 | .242 | .333 | .455 | .788 | .213 | 9.6 | .308 | 2.5 | 33 | 2.8 | .373 | 110 | |||||||
| 2023 | BOS | CPX | 19.1% | 27.5% | 0.69 | .212 | .384 | .314 | .698 | .102 | 9.2 | .310 | 1.9 | 26 | -0.1 | .364 | 91 | |||||||
| 2024 | BOS | CPX | 9.6% | 28.9% | 0.33 | .298 | .378 | .439 | .816 | .140 | 7.4 | .416 | 2.7 | 23 | 3.7 | .388 | 111 | |||||||
| 2024 | BOS | A | 5.5% | 37.6% | 0.15 | .214 | .257 | .340 | .597 | .126 | 8.8 | .344 | 0.5 | 10 | -3.2 | .284 | 70 | |||||||
| 2024 | BOS | MiLB | 7.8% | 32.8% | 0.24 | .258 | .324 | .392 | .715 | .134 | 8.2 | .384 | 3.2 | 32 | 0.5 | .342 | 93 | |||||||
| 2024 | BOS | ST | 25.0% | 50.0% | 0.50 | .000 | .250 | .000 | .250 | .000 | 7.5 | .000 | 0.4 | 0 | -0.5 | .180 | -3 | |||||||
| 2025 | BOS | ST | 0.0% | 0.0% | 0.00 | .000 | .000 | .000 | .000 | .000 | 0.1 | .000 | 0.0 | 0 | 0.0 | .000 | -100 | |||||||
| 2025 | Steamer | PROJ | 4.9% | 36.4% | 0.13 | .166 | .215 | .246 | .461 | .080 | 5.2 | .251 | 0.0 | 0.0 | 0 | -0.1 | .206 | 23 | ||||||
| 2025 | OOPSY | PROJ | 5.5% | 39.0% | 0.14 | .183 | .234 | .277 | .511 | .094 | 6.0 | .292 | 0.0 | 0 | -0.1 | .228 | 38 | |||||||
| 2025 | BOS | A | 8.3% | 25.8% | 0.32 | .178 | .252 | .327 | .579 | .150 | 6.3 | .205 | -0.2 | 10 | -4.8 | .283 | 62 | |||||||
| 2025 | Steamer | ROS | 4.9% | 33.6% | 0.15 | .170 | .218 | .256 | .474 | .085 | 5.1 | .243 | 0.0 | 0.0 | 0 | -0.1 | .213 | 25 |
