Diomede Sierra
Arizona Diamondbacks (CPX)P
Age: 23
Bats/Throws: L/L
6'2" / 170
DOB: 9/11/2001
(23 years, 7 months, 21 days)
P
Quick Links
More
Stats
Stat Groups:
Select
You can shift + click on full MLB seasons in Season Stats and games in Game Logs to select spans for aggregate stats. Read more here
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2019 | ARI | R | 17 | 0 | 2 | 0 | 14 | 13 | 45.0 | 8.00 | 6.80 | 0.00 | .254 | 69.3% | 59.3% | 0.0% | 2.60 | 4.92 | 5.32 | ||||||
| 2021 | ARI | CPX | 19 | 0 | 4 | 0 | 8 | 6 | 18.1 | 11.78 | 6.38 | 0.00 | .407 | 51.1% | 61.1% | 0.0% | 7.36 | 5.29 | 6.18 | ||||||
| 2022 | ARI | A | 20 | 3 | 5 | 0 | 19 | 19 | 73.2 | 9.90 | 5.86 | 0.98 | .323 | 63.5% | 51.5% | 16.0% | 5.13 | 5.85 | 5.37 | ||||||
| 2023 | ARI | A+ | 21 | 0 | 0 | 0 | 5 | 0 | 6.0 | 13.50 | 7.50 | 1.50 | .333 | 81.4% | 69.2% | 33.3% | 4.50 | 5.37 | 3.93 | ||||||
| 2024 | ARI | CPX | 22 | 2 | 0 | 1 | 8 | 0 | 8.1 | 6.48 | 11.88 | 0.00 | .407 | 68.2% | 44.4% | 0.0% | 6.48 | 7.22 | 8.23 | ||||||
| 2024 | ARI | A | 22 | 0 | 0 | 0 | 5 | 0 | 4.0 | 6.75 | 24.75 | 0.00 | .500 | 60.0% | 37.5% | 0.0% | 18.00 | 11.57 | 12.89 | ||||||
| 2024 | ARI | MiLB | 22 | 2 | 0 | 1 | 13 | 0 | 12.1 | 6.57 | 16.05 | 0.00 | .442 | 64.3% | 41.9% | 0.0% | 10.22 | 8.63 | 9.74 | ||||||
| 2025 | Steamer | PROJ | 23 | 0 | 0 | 0 | 1 | 0 | 1.0 | 6.26 | 6.42 | 1.07 | .306 | 70.3% | 45.7% | 5.42 | 5.63 | 5.72 | 0.0 | ||||||
| 2025 | OOPSY | PROJ | 23 | 0 | 0 | 0 | 1 | 1 | 2.5 | 5.21 | 7.60 | 1.40 | .305 | 69.3% | 6.56 | 6.77 | 0.0 | ||||||||
| 2025 | Steamer | ROS | 0 | 0 | 0 | 1 | 0 | 1.0 | 6.18 | 6.65 | 1.04 | .306 | 70.4% | 5.44 | 5.57 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2019 | ARI | R | 17 | 0 | 2 | 0 | 14 | 13 | 45.0 | 8.00 | 6.80 | 0.00 | .254 | 69.3% | 59.3% | 0.0% | 2.60 | 4.92 | 5.32 | ||||||
| 2021 | ARI | CPX | 19 | 0 | 4 | 0 | 8 | 6 | 18.1 | 11.78 | 6.38 | 0.00 | .407 | 51.1% | 61.1% | 0.0% | 7.36 | 5.29 | 6.18 | ||||||
| 2022 | ARI | A | 20 | 3 | 5 | 0 | 19 | 19 | 73.2 | 9.90 | 5.86 | 0.98 | .323 | 63.5% | 51.5% | 16.0% | 5.13 | 5.85 | 5.37 | ||||||
| 2023 | ARI | A+ | 21 | 0 | 0 | 0 | 5 | 0 | 6.0 | 13.50 | 7.50 | 1.50 | .333 | 81.4% | 69.2% | 33.3% | 4.50 | 5.37 | 3.93 | ||||||
| 2024 | ARI | CPX | 22 | 2 | 0 | 1 | 8 | 0 | 8.1 | 6.48 | 11.88 | 0.00 | .407 | 68.2% | 44.4% | 0.0% | 6.48 | 7.22 | 8.23 | ||||||
| 2024 | ARI | A | 22 | 0 | 0 | 0 | 5 | 0 | 4.0 | 6.75 | 24.75 | 0.00 | .500 | 60.0% | 37.5% | 0.0% | 18.00 | 11.57 | 12.89 | ||||||
| 2024 | ARI | MiLB | 22 | 2 | 0 | 1 | 13 | 0 | 12.1 | 6.57 | 16.05 | 0.00 | .442 | 64.3% | 41.9% | 0.0% | 10.22 | 8.63 | 9.74 | ||||||
| 2025 | Steamer | PROJ | 23 | 0 | 0 | 0 | 1 | 0 | 1.0 | 6.26 | 6.42 | 1.07 | .306 | 70.3% | 45.7% | 5.42 | 5.63 | 5.72 | 0.0 | ||||||
| 2025 | OOPSY | PROJ | 23 | 0 | 0 | 0 | 1 | 1 | 2.5 | 5.21 | 7.60 | 1.40 | .305 | 69.3% | 6.56 | 6.77 | 0.0 | ||||||||
| 2025 | Steamer | ROS | 0 | 0 | 0 | 1 | 0 | 1.0 | 6.18 | 6.65 | 1.04 | .306 | 70.4% | 5.44 | 5.57 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2019 | ARI | R | 0 | 2 | 2.60 | 14 | 13 | 0 | 0 | 0 | 0 | 0 | 45.0 | 200 | 29 | 23 | 13 | 0 | 34 | 0 | 12 | 7 | 0 | 40 | |
| 2021 | ARI | CPX | 0 | 4 | 7.36 | 8 | 6 | 0 | 0 | 0 | 0 | 0 | 18.1 | 104 | 24 | 22 | 15 | 0 | 13 | 0 | 8 | 13 | 0 | 24 | |
| 2022 | ARI | A | 3 | 5 | 5.13 | 19 | 19 | 0 | 0 | 0 | 0 | 0 | 73.2 | 351 | 73 | 56 | 42 | 8 | 48 | 0 | 13 | 19 | 2 | 81 | |
| 2023 | ARI | A+ | 0 | 0 | 4.50 | 5 | 0 | 0 | 0 | 0 | 2 | 0 | 6.0 | 27 | 5 | 3 | 3 | 1 | 5 | 0 | 0 | 1 | 0 | 9 | |
| 2024 | ARI | CPX | 2 | 0 | 6.48 | 8 | 0 | 0 | 0 | 1 | 0 | 0 | 8.1 | 44 | 11 | 7 | 6 | 0 | 11 | 0 | 0 | 0 | 0 | 6 | |
| 2024 | ARI | A | 0 | 0 | 18.00 | 5 | 0 | 0 | 0 | 0 | 1 | 1 | 4.0 | 31 | 8 | 8 | 8 | 0 | 11 | 0 | 1 | 2 | 0 | 3 | |
| 2024 | ARI | MiLB | 2 | 0 | 10.22 | 13 | 0 | 0 | 0 | 1 | 1 | 1 | 12.1 | 75 | 19 | 15 | 14 | 0 | 22 | 0 | 1 | 2 | 0 | 9 | |
| 2025 | Steamer | PROJ | 0 | 0 | 5.42 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | |||
| 2025 | OOPSY | PROJ | 0 | 0 | 6.56 | 1 | 1 | 0 | 0 | 0 | 2.5 | 13 | 3 | 2 | 2 | 0 | 2 | 0 | 0 | 1 | |||||
| 2025 | Steamer | ROS | 0 | 0 | 5.44 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 1 |
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2019 | ARI | R | 0 | 2 | 2.60 | 14 | 13 | 0 | 0 | 0 | 0 | 0 | 45.0 | 200 | 29 | 23 | 13 | 0 | 34 | 0 | 12 | 7 | 0 | 40 | |
| 2021 | ARI | CPX | 0 | 4 | 7.36 | 8 | 6 | 0 | 0 | 0 | 0 | 0 | 18.1 | 104 | 24 | 22 | 15 | 0 | 13 | 0 | 8 | 13 | 0 | 24 | |
| 2022 | ARI | A | 3 | 5 | 5.13 | 19 | 19 | 0 | 0 | 0 | 0 | 0 | 73.2 | 351 | 73 | 56 | 42 | 8 | 48 | 0 | 13 | 19 | 2 | 81 | |
| 2023 | ARI | A+ | 0 | 0 | 4.50 | 5 | 0 | 0 | 0 | 0 | 2 | 0 | 6.0 | 27 | 5 | 3 | 3 | 1 | 5 | 0 | 0 | 1 | 0 | 9 | |
| 2024 | ARI | CPX | 2 | 0 | 6.48 | 8 | 0 | 0 | 0 | 1 | 0 | 0 | 8.1 | 44 | 11 | 7 | 6 | 0 | 11 | 0 | 0 | 0 | 0 | 6 | |
| 2024 | ARI | A | 0 | 0 | 18.00 | 5 | 0 | 0 | 0 | 0 | 1 | 1 | 4.0 | 31 | 8 | 8 | 8 | 0 | 11 | 0 | 1 | 2 | 0 | 3 | |
| 2024 | ARI | MiLB | 2 | 0 | 10.22 | 13 | 0 | 0 | 0 | 1 | 1 | 1 | 12.1 | 75 | 19 | 15 | 14 | 0 | 22 | 0 | 1 | 2 | 0 | 9 | |
| 2025 | Steamer | PROJ | 0 | 0 | 5.42 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | |||
| 2025 | OOPSY | PROJ | 0 | 0 | 6.56 | 1 | 1 | 0 | 0 | 0 | 2.5 | 13 | 3 | 2 | 2 | 0 | 2 | 0 | 0 | 1 | |||||
| 2025 | Steamer | ROS | 0 | 0 | 5.44 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 1 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2019 | ARI | R | 8.00 | 6.80 | 1.18 | 0.00 | 20.0% | 17.0% | 3.0% | .188 | 1.40 | .254 | 69.3% | 63 | 118 | 4.92 | ||||
| 2021 | ARI | CPX | 11.78 | 6.38 | 1.85 | 0.00 | 23.1% | 12.5% | 10.6% | .289 | 2.02 | .407 | 51.1% | 148 | 108 | 5.29 | ||||
| 2022 | ARI | A | 9.90 | 5.86 | 1.69 | 0.98 | 23.1% | 13.7% | 9.4% | .252 | 1.64 | .323 | 63.5% | 100 | 113 | 5.85 | ||||
| 2023 | ARI | A+ | 13.50 | 7.50 | 1.80 | 1.50 | 33.3% | 18.5% | 14.8% | .227 | 1.67 | .333 | 81.4% | 102 | 123 | 5.37 | ||||
| 2024 | ARI | CPX | 6.48 | 11.88 | 0.55 | 0.00 | 13.6% | 25.0% | -11.4% | .333 | 2.64 | .407 | 68.2% | 119 | 133 | 7.22 | ||||
| 2024 | ARI | A | 6.75 | 24.75 | 0.27 | 0.00 | 9.7% | 35.5% | -25.8% | .421 | 4.75 | .500 | 60.0% | 375 | 239 | 11.57 | ||||
| 2024 | ARI | MiLB | 6.57 | 16.05 | 0.41 | 0.00 | 12.0% | 29.3% | -17.3% | .365 | 3.32 | .442 | 64.3% | 202 | 167 | 8.63 | ||||
| 2025 | Steamer | PROJ | 6.26 | 6.42 | 0.98 | 1.07 | 14.8% | 15.2% | -0.4% | .273 | 1.79 | .306 | 70.3% | 5.63 | ||||||
| 2025 | OOPSY | PROJ | 5.21 | 7.60 | 0.69 | 1.40 | 11.0% | 16.0% | -5.0% | .289 | 2.10 | .305 | 69.3% | 6.77 | ||||||
| 2025 | Steamer | ROS | 6.18 | 6.65 | 0.93 | 1.04 | 14.5% | 15.6% | -1.1% | .273 | 1.81 | .306 | 70.4% | 5.57 |
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2019 | ARI | R | 8.00 | 6.80 | 1.18 | 0.00 | 20.0% | 17.0% | 3.0% | .188 | 1.40 | .254 | 69.3% | 63 | 118 | 4.92 | ||||
| 2021 | ARI | CPX | 11.78 | 6.38 | 1.85 | 0.00 | 23.1% | 12.5% | 10.6% | .289 | 2.02 | .407 | 51.1% | 148 | 108 | 5.29 | ||||
| 2022 | ARI | A | 9.90 | 5.86 | 1.69 | 0.98 | 23.1% | 13.7% | 9.4% | .252 | 1.64 | .323 | 63.5% | 100 | 113 | 5.85 | ||||
| 2023 | ARI | A+ | 13.50 | 7.50 | 1.80 | 1.50 | 33.3% | 18.5% | 14.8% | .227 | 1.67 | .333 | 81.4% | 102 | 123 | 5.37 | ||||
| 2024 | ARI | CPX | 6.48 | 11.88 | 0.55 | 0.00 | 13.6% | 25.0% | -11.4% | .333 | 2.64 | .407 | 68.2% | 119 | 133 | 7.22 | ||||
| 2024 | ARI | A | 6.75 | 24.75 | 0.27 | 0.00 | 9.7% | 35.5% | -25.8% | .421 | 4.75 | .500 | 60.0% | 375 | 239 | 11.57 | ||||
| 2024 | ARI | MiLB | 6.57 | 16.05 | 0.41 | 0.00 | 12.0% | 29.3% | -17.3% | .365 | 3.32 | .442 | 64.3% | 202 | 167 | 8.63 | ||||
| 2025 | Steamer | PROJ | 6.26 | 6.42 | 0.98 | 1.07 | 14.8% | 15.2% | -0.4% | .273 | 1.79 | .306 | 70.3% | 5.63 | ||||||
| 2025 | OOPSY | PROJ | 5.21 | 7.60 | 0.69 | 1.40 | 11.0% | 16.0% | -5.0% | .289 | 2.10 | .305 | 69.3% | 6.77 | ||||||
| 2025 | Steamer | ROS | 6.18 | 6.65 | 0.93 | 1.04 | 14.5% | 15.6% | -1.1% | .273 | 1.81 | .306 | 70.4% | 5.57 |
