Seth Keller
Free Agent (A)P
Age: 21
Bats/Throws: R/R
5'10" / 180
DOB: 5/26/2004
(21 years, 10 months, 17 days)
P
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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2022 | ATL | CPX | 18 | 0 | 0 | 0 | 2 | 1 | 2.0 | 4.50 | 22.50 | 0.00 | .000 | 33.3% | 60.0% | 0.0% | 18.00 | 11.83 | 12.27 | ||||||
| 2023 | ATL | A | 19 | 2 | 4 | 0 | 16 | 7 | 46.0 | 6.26 | 5.28 | 0.20 | .312 | 62.6% | 40.7% | 1.7% | 6.26 | 5.33 | 6.35 | ||||||
| 2024 | ATL | A | 20 | 0 | 0 | 0 | 2 | 0 | 4.0 | 4.50 | 13.50 | 0.00 | .167 | 88.9% | 50.0% | 0.0% | 2.25 | 7.83 | 8.73 | ||||||
| 2025 | ATL | A | 21 | 2 | 4 | 0 | 22 | 1 | 35.1 | 8.15 | 9.93 | 0.76 | .258 | 65.9% | 43.8% | 9.4% | 7.13 | 7.19 | 6.82 | ||||||
| 2026 | Steamer | PROJ | 22 | 0 | 0 | 0 | 1 | 0 | 1.0 | 5.13 | 7.22 | 1.49 | .294 | 68.1% | 40.8% | 6.57 | 6.79 | 6.68 | 0.0 | ||||||
| 2026 | OOPSY | PROJ | 22 | 0 | 0 | 0 | 1 | 0 | 2.0 | 4.01 | 6.64 | 1.65 | .286 | 65.3% | 6.85 | 7.03 | -0.1 | ||||||||
| 2026 | Steamer | ROS | 22 | 0 | 0 | 0 | 1 | 0 | 1.0 | 5.25 | 7.69 | 1.41 | .294 | 68.2% | 6.57 | 6.80 | 0.0 | ||||||||
| 2026 | OOPSY | ROS | 22 | 0 | 0 | 0 | 1 | 0 | 2.0 | 4.01 | 6.64 | 1.65 | .286 | 65.3% | 6.85 | 7.03 | -0.1 |
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2022 | ATL | CPX | 18 | 0 | 0 | 0 | 2 | 1 | 2.0 | 4.50 | 22.50 | 0.00 | .000 | 33.3% | 60.0% | 0.0% | 18.00 | 11.83 | 12.27 | ||||||
| 2023 | ATL | A | 19 | 2 | 4 | 0 | 16 | 7 | 46.0 | 6.26 | 5.28 | 0.20 | .312 | 62.6% | 40.7% | 1.7% | 6.26 | 5.33 | 6.35 | ||||||
| 2024 | ATL | A | 20 | 0 | 0 | 0 | 2 | 0 | 4.0 | 4.50 | 13.50 | 0.00 | .167 | 88.9% | 50.0% | 0.0% | 2.25 | 7.83 | 8.73 | ||||||
| 2025 | ATL | A | 21 | 2 | 4 | 0 | 22 | 1 | 35.1 | 8.15 | 9.93 | 0.76 | .258 | 65.9% | 43.8% | 9.4% | 7.13 | 7.19 | 6.82 | ||||||
| 2026 | Steamer | PROJ | 22 | 0 | 0 | 0 | 1 | 0 | 1.0 | 5.13 | 7.22 | 1.49 | .294 | 68.1% | 40.8% | 6.57 | 6.79 | 6.68 | 0.0 | ||||||
| 2026 | OOPSY | PROJ | 22 | 0 | 0 | 0 | 1 | 0 | 2.0 | 4.01 | 6.64 | 1.65 | .286 | 65.3% | 6.85 | 7.03 | -0.1 | ||||||||
| 2026 | Steamer | ROS | 22 | 0 | 0 | 0 | 1 | 0 | 1.0 | 5.25 | 7.69 | 1.41 | .294 | 68.2% | 6.57 | 6.80 | 0.0 | ||||||||
| 2026 | OOPSY | ROS | 22 | 0 | 0 | 0 | 1 | 0 | 2.0 | 4.01 | 6.64 | 1.65 | .286 | 65.3% | 6.85 | 7.03 | -0.1 |
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 QS - Quality Starts; pitched at least 6 innings and gave up 3 or fewer earned runs | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2022 | ATL | CPX | 0 | 0 | 18.00 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 2.0 | 12 | 0 | 4 | 4 | 0 | 5 | 0 | 1 | 0 | 0 | 1 | |
| 2023 | ATL | A | 2 | 4 | 6.26 | 16 | 7 | 0 | 0 | 0 | 1 | 1 | 46.0 | 213 | 44 | 33 | 32 | 1 | 27 | 0 | 15 | 7 | 1 | 32 | |
| 2024 | ATL | A | 0 | 0 | 2.25 | 2 | 0 | 0 | 0 | 0 | 1 | 0 | 4.0 | 21 | 2 | 1 | 1 | 0 | 6 | 0 | 1 | 0 | 0 | 2 | |
| 2025 | ATL | A | 2 | 4 | 7.13 | 22 | 1 | 0 | 0 | 0 | 3 | 2 | 35.1 | 175 | 26 | 29 | 28 | 3 | 39 | 0 | 12 | 3 | 0 | 32 | |
| 2026 | Steamer | PROJ | 0 | 0 | 6.57 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | |||
| 2026 | OOPSY | PROJ | 0 | 0 | 6.85 | 1 | 0 | 0 | 0 | 0 | 2.0 | 10 | 2 | 2 | 1 | 0 | 1 | 0 | 0 | 1 | |||||
| 2026 | Steamer | ROS | 0 | 0 | 6.57 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | ||||
| 2026 | OOPSY | ROS | 0 | 0 | 6.85 | 1 | 0 | 0 | 0 | 0 | 2.0 | 10 | 2 | 2 | 1 | 0 | 1 | 0 | 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 QS - Quality Starts; pitched at least 6 innings and gave up 3 or fewer earned runs | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2022 | ATL | CPX | 0 | 0 | 18.00 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 2.0 | 12 | 0 | 4 | 4 | 0 | 5 | 0 | 1 | 0 | 0 | 1 | |
| 2023 | ATL | A | 2 | 4 | 6.26 | 16 | 7 | 0 | 0 | 0 | 1 | 1 | 46.0 | 213 | 44 | 33 | 32 | 1 | 27 | 0 | 15 | 7 | 1 | 32 | |
| 2024 | ATL | A | 0 | 0 | 2.25 | 2 | 0 | 0 | 0 | 0 | 1 | 0 | 4.0 | 21 | 2 | 1 | 1 | 0 | 6 | 0 | 1 | 0 | 0 | 2 | |
| 2025 | ATL | A | 2 | 4 | 7.13 | 22 | 1 | 0 | 0 | 0 | 3 | 2 | 35.1 | 175 | 26 | 29 | 28 | 3 | 39 | 0 | 12 | 3 | 0 | 32 | |
| 2026 | Steamer | PROJ | 0 | 0 | 6.57 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | |||
| 2026 | OOPSY | PROJ | 0 | 0 | 6.85 | 1 | 0 | 0 | 0 | 0 | 2.0 | 10 | 2 | 2 | 1 | 0 | 1 | 0 | 0 | 1 | |||||
| 2026 | Steamer | ROS | 0 | 0 | 6.57 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | ||||
| 2026 | OOPSY | ROS | 0 | 0 | 6.85 | 1 | 0 | 0 | 0 | 0 | 2.0 | 10 | 2 | 2 | 1 | 0 | 1 | 0 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2022 | ATL | CPX | 4.50 | 22.50 | 0.20 | 0.00 | 8.3% | 41.7% | -33.3% | .000 | 2.50 | .000 | 33.3% | 413 | 278 | 11.83 | ||||
| 2023 | ATL | A | 6.26 | 5.28 | 1.19 | 0.20 | 15.0% | 12.7% | 2.3% | .257 | 1.54 | .312 | 62.6% | 153 | 128 | 5.33 | ||||
| 2024 | ATL | A | 4.50 | 13.50 | 0.33 | 0.00 | 9.5% | 28.6% | -19.0% | .143 | 2.00 | .167 | 88.9% | 59 | 203 | 7.83 | ||||
| 2025 | ATL | A | 8.15 | 9.93 | 0.82 | 0.76 | 18.3% | 22.3% | -4.0% | .210 | 1.84 | .258 | 65.9% | 181 | 179 | 7.19 | ||||
| 2026 | Steamer | PROJ | 5.13 | 7.22 | 0.71 | 1.49 | 11.7% | 16.4% | -4.8% | .282 | 1.93 | .294 | 68.1% | 6.79 | ||||||
| 2026 | OOPSY | PROJ | 4.01 | 6.64 | 0.60 | 1.65 | 9.1% | 15.1% | -6.0% | .287 | 1.91 | .286 | 65.3% | 7.03 | ||||||
| 2026 | Steamer | ROS | 5.25 | 7.69 | 0.68 | 1.41 | 11.9% | 17.4% | -5.5% | .279 | 1.97 | .294 | 68.2% | 6.80 | ||||||
| 2026 | OOPSY | ROS | 4.01 | 6.64 | 0.60 | 1.65 | 9.1% | 15.1% | -6.0% | .287 | 1.91 | .286 | 65.3% | 7.03 |
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2022 | ATL | CPX | 4.50 | 22.50 | 0.20 | 0.00 | 8.3% | 41.7% | -33.3% | .000 | 2.50 | .000 | 33.3% | 413 | 278 | 11.83 | ||||
| 2023 | ATL | A | 6.26 | 5.28 | 1.19 | 0.20 | 15.0% | 12.7% | 2.3% | .257 | 1.54 | .312 | 62.6% | 153 | 128 | 5.33 | ||||
| 2024 | ATL | A | 4.50 | 13.50 | 0.33 | 0.00 | 9.5% | 28.6% | -19.0% | .143 | 2.00 | .167 | 88.9% | 59 | 203 | 7.83 | ||||
| 2025 | ATL | A | 8.15 | 9.93 | 0.82 | 0.76 | 18.3% | 22.3% | -4.0% | .210 | 1.84 | .258 | 65.9% | 181 | 179 | 7.19 | ||||
| 2026 | Steamer | PROJ | 5.13 | 7.22 | 0.71 | 1.49 | 11.7% | 16.4% | -4.8% | .282 | 1.93 | .294 | 68.1% | 6.79 | ||||||
| 2026 | OOPSY | PROJ | 4.01 | 6.64 | 0.60 | 1.65 | 9.1% | 15.1% | -6.0% | .287 | 1.91 | .286 | 65.3% | 7.03 | ||||||
| 2026 | Steamer | ROS | 5.25 | 7.69 | 0.68 | 1.41 | 11.9% | 17.4% | -5.5% | .279 | 1.97 | .294 | 68.2% | 6.80 | ||||||
| 2026 | OOPSY | ROS | 4.01 | 6.64 | 0.60 | 1.65 | 9.1% | 15.1% | -6.0% | .287 | 1.91 | .286 | 65.3% | 7.03 |
