Juan Valera
Boston Red Sox (A+)P
Age: 18
Bats/Throws: R/R
6'3" / 205
DOB: 5/18/2006
(18 years, 11 months, 12 days)
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Preseason ProjectionsIn-Season ProjectionsMinor Leagues
| Season | Team | Level | Age | W W - Wins | L L - Losses | SV SV - Saves | G G - Games Pitched | GS GS - Games Started | IP IP - Innings Pitched | divider | K/9 K/9 - Strikeouts per 9 Innings ((SO*9)/IP) | BB/9 BB/9 - Walks per 9 Innings ((BB*9)/IP) | HR/9 HR/9 - Home Runs per 9 Innings ((HR*9)/IP) | BABIP BABIP - Batting Average on Balls in Play | LOB% LOB% - Left on Base Percentage | GB% GB% - Ground Ball Percentage (GB/BIP) | HR/FB HR/FB - Home Run to Fly Ball Ratio | divider | vFA vFA - Fourseam Fastball velocity (Pitch Info) | divider | ERA ERA - Earned Run Average ((ER*9)/IP) | xERA xERA - Expected ERA | FIP FIP - Fielder Independent Pitching on an ERA scale | xFIP xFIP - Expected Fielder Independent Pitching where Home Runs are calculated as 10.5% of Fly Balls induced | WAR WAR - Wins Above Replacement |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | BOS | DSL | 17 | 3 | 1 | 0 | 15 | 1 | 27.1 | 10.21 | 6.59 | 0.00 | .355 | 59.3% | 47.9% | 0.0% | 5.93 | 4.67 | 5.34 | ||||||
| 2024 | BOS | CPX | 18 | 1 | 2 | 0 | 11 | 9 | 40.1 | 8.93 | 3.12 | 0.00 | .179 | 75.0% | 56.0% | 0.0% | 1.79 | 3.25 | 3.92 | ||||||
| 2024 | BOS | A | 18 | 0 | 1 | 0 | 7 | 7 | 23.0 | 10.96 | 5.48 | 0.39 | .170 | 78.7% | 57.8% | 7.7% | 2.35 | 3.54 | 3.48 | ||||||
| 2024 | BOS | MiLB | 18 | 1 | 3 | 0 | 18 | 16 | 63.1 | 9.66 | 3.98 | 0.14 | .176 | 76.4% | 56.6% | 2.2% | 1.99 | 3.36 | 3.76 | ||||||
| 2025 | Steamer | PROJ | 19 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5.35 | 5.64 | 1.41 | .307 | 67.2% | 44.3% | 6.20 | 6.06 | 5.82 | 0.0 | ||||||
| 2025 | OOPSY | PROJ | 19 | 0 | 0 | 0 | 1 | 1 | 3.5 | 5.98 | 4.19 | 1.04 | .306 | 59.8% | 5.33 | 4.87 | 0.0 | ||||||||
| 2025 | BOS | A+ | 19 | 0 | 1 | 0 | 4 | 4 | 16.1 | 9.92 | 3.31 | 1.65 | .383 | 58.8% | 36.0% | 17.6% | 7.71 | 5.38 | 4.30 | ||||||
| 2025 | Steamer | ROS | 0 | 0 | 0 | 0 | 0 | 1.0 | 5.74 | 5.06 | 1.35 | .306 | 67.7% | 5.84 | 5.59 | 0.0 | |||||||||
| 2025 | OOPSY | ROS | 19 | 0 | 0 | 0 | 1 | 1 | 3.7 | 6.02 | 4.04 | 1.20 | .307 | 62.1% | 5.48 | 5.05 | 0.0 |
| Season | Team | Level | Age | W W - Wins | L L - Losses | SV SV - Saves | G G - Games Pitched | GS GS - Games Started | IP IP - Innings Pitched | divider | K/9 K/9 - Strikeouts per 9 Innings ((SO*9)/IP) | BB/9 BB/9 - Walks per 9 Innings ((BB*9)/IP) | HR/9 HR/9 - Home Runs per 9 Innings ((HR*9)/IP) | BABIP BABIP - Batting Average on Balls in Play | LOB% LOB% - Left on Base Percentage | GB% GB% - Ground Ball Percentage (GB/BIP) | HR/FB HR/FB - Home Run to Fly Ball Ratio | divider | vFA vFA - Fourseam Fastball velocity (Pitch Info) | divider | ERA ERA - Earned Run Average ((ER*9)/IP) | xERA xERA - Expected ERA | FIP FIP - Fielder Independent Pitching on an ERA scale | xFIP xFIP - Expected Fielder Independent Pitching where Home Runs are calculated as 10.5% of Fly Balls induced | WAR WAR - Wins Above Replacement |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | BOS | DSL | 17 | 3 | 1 | 0 | 15 | 1 | 27.1 | 10.21 | 6.59 | 0.00 | .355 | 59.3% | 47.9% | 0.0% | 5.93 | 4.67 | 5.34 | ||||||
| 2024 | BOS | CPX | 18 | 1 | 2 | 0 | 11 | 9 | 40.1 | 8.93 | 3.12 | 0.00 | .179 | 75.0% | 56.0% | 0.0% | 1.79 | 3.25 | 3.92 | ||||||
| 2024 | BOS | A | 18 | 0 | 1 | 0 | 7 | 7 | 23.0 | 10.96 | 5.48 | 0.39 | .170 | 78.7% | 57.8% | 7.7% | 2.35 | 3.54 | 3.48 | ||||||
| 2024 | BOS | MiLB | 18 | 1 | 3 | 0 | 18 | 16 | 63.1 | 9.66 | 3.98 | 0.14 | .176 | 76.4% | 56.6% | 2.2% | 1.99 | 3.36 | 3.76 | ||||||
| 2025 | Steamer | PROJ | 19 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5.35 | 5.64 | 1.41 | .307 | 67.2% | 44.3% | 6.20 | 6.06 | 5.82 | 0.0 | ||||||
| 2025 | OOPSY | PROJ | 19 | 0 | 0 | 0 | 1 | 1 | 3.5 | 5.98 | 4.19 | 1.04 | .306 | 59.8% | 5.33 | 4.87 | 0.0 | ||||||||
| 2025 | BOS | A+ | 19 | 0 | 1 | 0 | 4 | 4 | 16.1 | 9.92 | 3.31 | 1.65 | .383 | 58.8% | 36.0% | 17.6% | 7.71 | 5.38 | 4.30 | ||||||
| 2025 | Steamer | ROS | 0 | 0 | 0 | 0 | 0 | 1.0 | 5.74 | 5.06 | 1.35 | .306 | 67.7% | 5.84 | 5.59 | 0.0 | |||||||||
| 2025 | OOPSY | ROS | 19 | 0 | 0 | 0 | 1 | 1 | 3.7 | 6.02 | 4.04 | 1.20 | .307 | 62.1% | 5.48 | 5.05 | 0.0 |
Preseason ProjectionsIn-Season ProjectionsMinor Leagues
| Season | Team | Level | W W - Wins | L L - Losses | ERA ERA - Earned Run Average ((ER*9)/IP) | G G - Games Pitched | GS GS - Games Started | QS | CG CG - Complete Games | ShO ShO - Shoutouts | SV SV - Saves | HLD HLD - Holds | BS BS - Blown Saves | IP IP - Innings Pitched | TBF TBF - Total Batters Faced | H H - Hits Allowed | R R - Runs Allowed | ER ER - Earned Runs | HR HR - Home Runs | BB BB - Walks | IBB IBB - Intentional | HBP HBP - Hit Batters | WP WP - Wild Pitches | BK BK - Balks | SO SO - Strikeouts |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | BOS | DSL | 3 | 1 | 5.93 | 15 | 1 | 0 | 0 | 0 | 2 | 1 | 27.1 | 134 | 27 | 22 | 18 | 0 | 20 | 0 | 7 | 12 | 0 | 31 | |
| 2024 | BOS | CPX | 1 | 2 | 1.79 | 11 | 9 | 0 | 0 | 0 | 1 | 0 | 40.1 | 154 | 17 | 9 | 8 | 0 | 14 | 0 | 5 | 4 | 1 | 40 | |
| 2024 | BOS | A | 0 | 1 | 2.35 | 7 | 7 | 0 | 0 | 0 | 0 | 0 | 23.0 | 90 | 9 | 6 | 6 | 1 | 14 | 0 | 0 | 3 | 1 | 28 | |
| 2024 | BOS | MiLB | 1 | 3 | 1.99 | 18 | 16 | 0 | 0 | 0 | 1 | 0 | 63.1 | 244 | 26 | 15 | 14 | 1 | 28 | 0 | 5 | 7 | 2 | 68 | |
| 2025 | Steamer | PROJ | 0 | 0 | 6.20 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | |||
| 2025 | OOPSY | PROJ | 0 | 0 | 5.33 | 1 | 1 | 0 | 0 | 0 | 3.5 | 14 | 3 | 2 | 2 | 0 | 2 | 0 | 0 | 2 | |||||
| 2025 | BOS | A+ | 0 | 1 | 7.71 | 4 | 4 | 0 | 0 | 0 | 0 | 0 | 16.1 | 75 | 21 | 14 | 14 | 3 | 6 | 0 | 1 | 0 | 0 | 18 | |
| 2025 | Steamer | ROS | 0 | 0 | 5.84 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | ||||
| 2025 | OOPSY | ROS | 0 | 0 | 5.48 | 1 | 1 | 0 | 0 | 0 | 3.7 | 15 | 4 | 2 | 2 | 0 | 2 | 0 | 0 | 2 |
| Season | Team | Level | W W - Wins | L L - Losses | ERA ERA - Earned Run Average ((ER*9)/IP) | G G - Games Pitched | GS GS - Games Started | QS | CG CG - Complete Games | ShO ShO - Shoutouts | SV SV - Saves | HLD HLD - Holds | BS BS - Blown Saves | IP IP - Innings Pitched | TBF TBF - Total Batters Faced | H H - Hits Allowed | R R - Runs Allowed | ER ER - Earned Runs | HR HR - Home Runs | BB BB - Walks | IBB IBB - Intentional | HBP HBP - Hit Batters | WP WP - Wild Pitches | BK BK - Balks | SO SO - Strikeouts |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | BOS | DSL | 3 | 1 | 5.93 | 15 | 1 | 0 | 0 | 0 | 2 | 1 | 27.1 | 134 | 27 | 22 | 18 | 0 | 20 | 0 | 7 | 12 | 0 | 31 | |
| 2024 | BOS | CPX | 1 | 2 | 1.79 | 11 | 9 | 0 | 0 | 0 | 1 | 0 | 40.1 | 154 | 17 | 9 | 8 | 0 | 14 | 0 | 5 | 4 | 1 | 40 | |
| 2024 | BOS | A | 0 | 1 | 2.35 | 7 | 7 | 0 | 0 | 0 | 0 | 0 | 23.0 | 90 | 9 | 6 | 6 | 1 | 14 | 0 | 0 | 3 | 1 | 28 | |
| 2024 | BOS | MiLB | 1 | 3 | 1.99 | 18 | 16 | 0 | 0 | 0 | 1 | 0 | 63.1 | 244 | 26 | 15 | 14 | 1 | 28 | 0 | 5 | 7 | 2 | 68 | |
| 2025 | Steamer | PROJ | 0 | 0 | 6.20 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | |||
| 2025 | OOPSY | PROJ | 0 | 0 | 5.33 | 1 | 1 | 0 | 0 | 0 | 3.5 | 14 | 3 | 2 | 2 | 0 | 2 | 0 | 0 | 2 | |||||
| 2025 | BOS | A+ | 0 | 1 | 7.71 | 4 | 4 | 0 | 0 | 0 | 0 | 0 | 16.1 | 75 | 21 | 14 | 14 | 3 | 6 | 0 | 1 | 0 | 0 | 18 | |
| 2025 | Steamer | ROS | 0 | 0 | 5.84 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | ||||
| 2025 | OOPSY | ROS | 0 | 0 | 5.48 | 1 | 1 | 0 | 0 | 0 | 3.7 | 15 | 4 | 2 | 2 | 0 | 2 | 0 | 0 | 2 |
Preseason ProjectionsIn-Season ProjectionsMinor LeaguesAverages
| Season | Team | Level | K/9 K/9 - Strikeouts per 9 Innings ((SO*9)/IP) | BB/9 BB/9 - Walks per 9 Innings ((BB*9)/IP) | K/BB K/BB - Strikeout to Walk Ratio (SO/BB) | HR/9 HR/9 - Home Runs per 9 Innings ((HR*9)/IP) | divider | K% K% - Strikeout Percentage (SO/TBF) | BB% BB% - Walk Percentage (BB/TBF) | K-BB% K-BB% - The difference between strikeout percentage and walk percentage | divider | AVG AVG - Batting Average Against | WHIP WHIP - Walks + Hits divided by Innings Pitched | BABIP BABIP - Batting Average on Balls in Play | LOB% LOB% - Left on Base Percentage | divider | ERA- ERA- - ERA adjusted for park and league where 100 is average and lower is better | FIP- FIP- - FIP adjusted for park and league where 100 is average and lower is better | divider | FIP FIP - Fielder Independent Pitching on an ERA scale |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | BOS | DSL | 10.21 | 6.59 | 1.55 | 0.00 | 23.1% | 14.9% | 8.2% | .252 | 1.72 | .355 | 59.3% | 122 | 95 | 4.67 | ||||
| 2024 | BOS | CPX | 8.93 | 3.12 | 2.86 | 0.00 | 26.0% | 9.1% | 16.9% | .126 | 0.77 | .179 | 75.0% | 36 | 69 | 3.25 | ||||
| 2024 | BOS | A | 10.96 | 5.48 | 2.00 | 0.39 | 31.1% | 15.6% | 15.6% | .118 | 1.00 | .170 | 78.7% | 58 | 92 | 3.54 | ||||
| 2024 | BOS | MiLB | 9.66 | 3.98 | 2.43 | 0.14 | 27.9% | 11.5% | 16.4% | .123 | 0.85 | .176 | 76.4% | 44 | 77 | 3.36 | ||||
| 2025 | Steamer | PROJ | 5.35 | 5.64 | 0.95 | 1.41 | 12.7% | 13.3% | -0.7% | .288 | 1.78 | .307 | 67.2% | 6.06 | ||||||
| 2025 | OOPSY | PROJ | 5.98 | 4.19 | 1.43 | 1.04 | 17.2% | 12.0% | 5.1% | .269 | 1.37 | .306 | 59.8% | 4.87 | ||||||
| 2025 | BOS | A+ | 9.92 | 3.31 | 3.00 | 1.65 | 24.0% | 8.0% | 16.0% | .309 | 1.65 | .383 | 58.8% | 172 | 122 | 5.38 | ||||
| 2025 | Steamer | ROS | 5.74 | 5.06 | 1.13 | 1.35 | 13.8% | 12.2% | 1.6% | .283 | 1.70 | .306 | 67.7% | 5.59 | ||||||
| 2025 | OOPSY | ROS | 6.02 | 4.04 | 1.49 | 1.20 | 16.2% | 10.9% | 5.3% | .276 | 1.45 | .307 | 62.1% | 5.05 |
| Season | Team | Level | K/9 K/9 - Strikeouts per 9 Innings ((SO*9)/IP) | BB/9 BB/9 - Walks per 9 Innings ((BB*9)/IP) | K/BB K/BB - Strikeout to Walk Ratio (SO/BB) | HR/9 HR/9 - Home Runs per 9 Innings ((HR*9)/IP) | divider | K% K% - Strikeout Percentage (SO/TBF) | BB% BB% - Walk Percentage (BB/TBF) | K-BB% K-BB% - The difference between strikeout percentage and walk percentage | divider | AVG AVG - Batting Average Against | WHIP WHIP - Walks + Hits divided by Innings Pitched | BABIP BABIP - Batting Average on Balls in Play | LOB% LOB% - Left on Base Percentage | divider | ERA- ERA- - ERA adjusted for park and league where 100 is average and lower is better | FIP- FIP- - FIP adjusted for park and league where 100 is average and lower is better | divider | FIP FIP - Fielder Independent Pitching on an ERA scale |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | BOS | DSL | 10.21 | 6.59 | 1.55 | 0.00 | 23.1% | 14.9% | 8.2% | .252 | 1.72 | .355 | 59.3% | 122 | 95 | 4.67 | ||||
| 2024 | BOS | CPX | 8.93 | 3.12 | 2.86 | 0.00 | 26.0% | 9.1% | 16.9% | .126 | 0.77 | .179 | 75.0% | 36 | 69 | 3.25 | ||||
| 2024 | BOS | A | 10.96 | 5.48 | 2.00 | 0.39 | 31.1% | 15.6% | 15.6% | .118 | 1.00 | .170 | 78.7% | 58 | 92 | 3.54 | ||||
| 2024 | BOS | MiLB | 9.66 | 3.98 | 2.43 | 0.14 | 27.9% | 11.5% | 16.4% | .123 | 0.85 | .176 | 76.4% | 44 | 77 | 3.36 | ||||
| 2025 | Steamer | PROJ | 5.35 | 5.64 | 0.95 | 1.41 | 12.7% | 13.3% | -0.7% | .288 | 1.78 | .307 | 67.2% | 6.06 | ||||||
| 2025 | OOPSY | PROJ | 5.98 | 4.19 | 1.43 | 1.04 | 17.2% | 12.0% | 5.1% | .269 | 1.37 | .306 | 59.8% | 4.87 | ||||||
| 2025 | BOS | A+ | 9.92 | 3.31 | 3.00 | 1.65 | 24.0% | 8.0% | 16.0% | .309 | 1.65 | .383 | 58.8% | 172 | 122 | 5.38 | ||||
| 2025 | Steamer | ROS | 5.74 | 5.06 | 1.13 | 1.35 | 13.8% | 12.2% | 1.6% | .283 | 1.70 | .306 | 67.7% | 5.59 | ||||||
| 2025 | OOPSY | ROS | 6.02 | 4.04 | 1.49 | 1.20 | 16.2% | 10.9% | 5.3% | .276 | 1.45 | .307 | 62.1% | 5.05 |
