Jin-yong Seo 서진용
P
Age: 32
Bats/Throws: R/R
6'0" / 194
DOB: 10/2/1992
(32 years, 6 months, 29 days)
P
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KBO stat lines do not separate stints with different teams before 2019; the team reported is the last team the player played for that season.
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KBO
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2015 | SK | KBO | 22 | 0 | 0 | 0 | 18 | 0 | 21.1 | 10.13 | 2.53 | 1.69 | .344 | 66.9% | 5.91 | 4.60 | |||||||||
| 2016 | SK | KBO | 23 | 0 | 0 | 0 | 25 | 0 | 26.2 | 10.13 | 4.39 | 1.01 | .319 | 67.9% | 4.72 | 4.66 | |||||||||
| 2017 | SK | KBO | 24 | 2 | 3 | 3 | 42 | 0 | 46.0 | 10.76 | 4.50 | 0.78 | .336 | 74.5% | 3.91 | 3.93 | |||||||||
| 2018 | SK | KBO | 25 | 3 | 2 | 1 | 48 | 0 | 50.0 | 10.44 | 4.14 | 2.52 | .297 | 71.4% | 6.12 | 6.61 | |||||||||
| 2019 | SK | KBO | 26 | 3 | 1 | 4 | 72 | 0 | 68.0 | 10.06 | 3.71 | 0.26 | .298 | 79.8% | 39.6% | 3.4% | 2.38 | 2.84 | 3.27 | ||||||
| 2020 | SK | KBO | 27 | 2 | 7 | 8 | 63 | 0 | 61.0 | 8.26 | 5.02 | 1.62 | .253 | 75.4% | 41.1% | 15.9% | 4.13 | 5.75 | 4.78 | ||||||
| 2021 | SSG | KBO | 28 | 7 | 5 | 9 | 65 | 0 | 67.1 | 8.29 | 5.75 | 1.20 | .262 | 82.4% | 39.4% | 11.3% | 3.34 | 5.10 | 4.67 | ||||||
| 2022 | SSG | KBO | 29 | 7 | 3 | 21 | 68 | 0 | 67.1 | 7.35 | 4.81 | 0.67 | .298 | 74.0% | 47.2% | 8.1% | 4.01 | 4.36 | 4.37 | ||||||
| 2023 | SSG | KBO | 30 | 5 | 4 | 40 | 69 | 0 | 73.0 | 7.89 | 6.04 | 0.37 | .288 | 83.9% | 49.5% | 4.9% | 2.47 | 4.36 | 4.54 | ||||||
| 2024 | SSG | KBO | 31 | 0 | 1 | 0 | 51 | 0 | 47.0 | 7.28 | 4.98 | 0.96 | .331 | 62.0% | 51.4% | 11.4% | 5.55 | 5.17 | 5.00 | ||||||
| 2025 | SSG | KBO | 32 | 0 | 0 | 0 | 2 | 0 | 1.1 | 0.00 | 20.25 | 0.00 | .250 | 75.0% | 25.0% | 0.0% | 6.75 | 10.19 | 11.85 |
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2015 | SK | KBO | 22 | 0 | 0 | 0 | 18 | 0 | 21.1 | 10.13 | 2.53 | 1.69 | .344 | 66.9% | 5.91 | 4.60 | |||||||||
| 2016 | SK | KBO | 23 | 0 | 0 | 0 | 25 | 0 | 26.2 | 10.13 | 4.39 | 1.01 | .319 | 67.9% | 4.72 | 4.66 | |||||||||
| 2017 | SK | KBO | 24 | 2 | 3 | 3 | 42 | 0 | 46.0 | 10.76 | 4.50 | 0.78 | .336 | 74.5% | 3.91 | 3.93 | |||||||||
| 2018 | SK | KBO | 25 | 3 | 2 | 1 | 48 | 0 | 50.0 | 10.44 | 4.14 | 2.52 | .297 | 71.4% | 6.12 | 6.61 | |||||||||
| 2019 | SK | KBO | 26 | 3 | 1 | 4 | 72 | 0 | 68.0 | 10.06 | 3.71 | 0.26 | .298 | 79.8% | 39.6% | 3.4% | 2.38 | 2.84 | 3.27 | ||||||
| 2020 | SK | KBO | 27 | 2 | 7 | 8 | 63 | 0 | 61.0 | 8.26 | 5.02 | 1.62 | .253 | 75.4% | 41.1% | 15.9% | 4.13 | 5.75 | 4.78 | ||||||
| 2021 | SSG | KBO | 28 | 7 | 5 | 9 | 65 | 0 | 67.1 | 8.29 | 5.75 | 1.20 | .262 | 82.4% | 39.4% | 11.3% | 3.34 | 5.10 | 4.67 | ||||||
| 2022 | SSG | KBO | 29 | 7 | 3 | 21 | 68 | 0 | 67.1 | 7.35 | 4.81 | 0.67 | .298 | 74.0% | 47.2% | 8.1% | 4.01 | 4.36 | 4.37 | ||||||
| 2023 | SSG | KBO | 30 | 5 | 4 | 40 | 69 | 0 | 73.0 | 7.89 | 6.04 | 0.37 | .288 | 83.9% | 49.5% | 4.9% | 2.47 | 4.36 | 4.54 | ||||||
| 2024 | SSG | KBO | 31 | 0 | 1 | 0 | 51 | 0 | 47.0 | 7.28 | 4.98 | 0.96 | .331 | 62.0% | 51.4% | 11.4% | 5.55 | 5.17 | 5.00 | ||||||
| 2025 | SSG | KBO | 32 | 0 | 0 | 0 | 2 | 0 | 1.1 | 0.00 | 20.25 | 0.00 | .250 | 75.0% | 25.0% | 0.0% | 6.75 | 10.19 | 11.85 |
KBO
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2015 | SK | KBO | 0 | 0 | 5.91 | 18 | 0 | 0 | 0 | 0 | 0 | 0 | 21.1 | 95 | 25 | 14 | 14 | 4 | 6 | 2 | 0 | 3 | 0 | 24 | |
| 2016 | SK | KBO | 0 | 0 | 4.72 | 25 | 0 | 0 | 0 | 0 | 3 | 0 | 26.2 | 120 | 26 | 16 | 14 | 3 | 13 | 2 | 2 | 5 | 0 | 30 | |
| 2017 | SK | KBO | 2 | 3 | 3.91 | 42 | 0 | 0 | 0 | 3 | 3 | 6 | 46.0 | 198 | 43 | 21 | 20 | 4 | 23 | 0 | 0 | 3 | 0 | 55 | |
| 2018 | SK | KBO | 3 | 2 | 6.12 | 48 | 0 | 0 | 0 | 1 | 12 | 0 | 50.0 | 225 | 52 | 36 | 34 | 14 | 23 | 3 | 2 | 4 | 0 | 58 | |
| 2019 | SK | KBO | 3 | 1 | 2.38 | 72 | 0 | 0 | 0 | 4 | 33 | 2 | 68.0 | 279 | 53 | 19 | 18 | 2 | 28 | 4 | 2 | 1 | 0 | 76 | |
| 2020 | SK | KBO | 2 | 7 | 4.13 | 63 | 0 | 0 | 0 | 8 | 12 | 5 | 61.0 | 264 | 52 | 33 | 28 | 11 | 34 | 1 | 1 | 6 | 0 | 56 | |
| 2021 | SSG | KBO | 7 | 5 | 3.34 | 65 | 0 | 0 | 0 | 9 | 4 | 5 | 67.1 | 297 | 57 | 28 | 25 | 9 | 43 | 7 | 0 | 3 | 0 | 62 | |
| 2022 | SSG | KBO | 7 | 3 | 4.01 | 68 | 0 | 0 | 0 | 21 | 13 | 4 | 67.1 | 297 | 64 | 32 | 30 | 5 | 36 | 3 | 3 | 6 | 0 | 55 | |
| 2023 | SSG | KBO | 5 | 4 | 2.47 | 69 | 0 | 0 | 0 | 40 | 0 | 6 | 73.0 | 325 | 62 | 22 | 20 | 3 | 49 | 6 | 4 | 5 | 0 | 64 | |
| 2024 | SSG | KBO | 0 | 1 | 5.55 | 51 | 0 | 0 | 0 | 0 | 7 | 1 | 47.0 | 211 | 52 | 34 | 29 | 5 | 26 | 2 | 0 | 4 | 0 | 38 | |
| 2025 | SSG | KBO | 0 | 0 | 6.75 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1.1 | 7 | 1 | 1 | 1 | 0 | 3 | 0 | 0 | 0 | 0 | 0 |
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2015 | SK | KBO | 0 | 0 | 5.91 | 18 | 0 | 0 | 0 | 0 | 0 | 0 | 21.1 | 95 | 25 | 14 | 14 | 4 | 6 | 2 | 0 | 3 | 0 | 24 | |
| 2016 | SK | KBO | 0 | 0 | 4.72 | 25 | 0 | 0 | 0 | 0 | 3 | 0 | 26.2 | 120 | 26 | 16 | 14 | 3 | 13 | 2 | 2 | 5 | 0 | 30 | |
| 2017 | SK | KBO | 2 | 3 | 3.91 | 42 | 0 | 0 | 0 | 3 | 3 | 6 | 46.0 | 198 | 43 | 21 | 20 | 4 | 23 | 0 | 0 | 3 | 0 | 55 | |
| 2018 | SK | KBO | 3 | 2 | 6.12 | 48 | 0 | 0 | 0 | 1 | 12 | 0 | 50.0 | 225 | 52 | 36 | 34 | 14 | 23 | 3 | 2 | 4 | 0 | 58 | |
| 2019 | SK | KBO | 3 | 1 | 2.38 | 72 | 0 | 0 | 0 | 4 | 33 | 2 | 68.0 | 279 | 53 | 19 | 18 | 2 | 28 | 4 | 2 | 1 | 0 | 76 | |
| 2020 | SK | KBO | 2 | 7 | 4.13 | 63 | 0 | 0 | 0 | 8 | 12 | 5 | 61.0 | 264 | 52 | 33 | 28 | 11 | 34 | 1 | 1 | 6 | 0 | 56 | |
| 2021 | SSG | KBO | 7 | 5 | 3.34 | 65 | 0 | 0 | 0 | 9 | 4 | 5 | 67.1 | 297 | 57 | 28 | 25 | 9 | 43 | 7 | 0 | 3 | 0 | 62 | |
| 2022 | SSG | KBO | 7 | 3 | 4.01 | 68 | 0 | 0 | 0 | 21 | 13 | 4 | 67.1 | 297 | 64 | 32 | 30 | 5 | 36 | 3 | 3 | 6 | 0 | 55 | |
| 2023 | SSG | KBO | 5 | 4 | 2.47 | 69 | 0 | 0 | 0 | 40 | 0 | 6 | 73.0 | 325 | 62 | 22 | 20 | 3 | 49 | 6 | 4 | 5 | 0 | 64 | |
| 2024 | SSG | KBO | 0 | 1 | 5.55 | 51 | 0 | 0 | 0 | 0 | 7 | 1 | 47.0 | 211 | 52 | 34 | 29 | 5 | 26 | 2 | 0 | 4 | 0 | 38 | |
| 2025 | SSG | KBO | 0 | 0 | 6.75 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1.1 | 7 | 1 | 1 | 1 | 0 | 3 | 0 | 0 | 0 | 0 | 0 |
AveragesKBO
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2015 | SK | KBO | 10.13 | 2.53 | 4.00 | 1.69 | 25.3% | 6.3% | 18.9% | .281 | 1.45 | .344 | 66.9% | 121 | 94 | 4.60 | ||||
| 2016 | SK | KBO | 10.13 | 4.39 | 2.31 | 1.01 | 25.0% | 10.8% | 14.2% | .248 | 1.46 | .319 | 67.9% | 91 | 90 | 4.66 | ||||
| 2017 | SK | KBO | 10.76 | 4.50 | 2.39 | 0.78 | 27.8% | 11.6% | 16.2% | .246 | 1.43 | .336 | 74.5% | 79 | 79 | 3.93 | ||||
| 2018 | SK | KBO | 10.44 | 4.14 | 2.52 | 2.52 | 25.8% | 10.2% | 15.6% | .260 | 1.50 | .297 | 71.4% | 118 | 127 | 6.61 | ||||
| 2019 | SK | KBO | 10.06 | 3.71 | 2.71 | 0.26 | 27.2% | 10.0% | 17.2% | .213 | 1.19 | .298 | 79.8% | 56 | 65 | 2.84 | ||||
| 2020 | SK | KBO | 8.26 | 5.02 | 1.65 | 1.62 | 21.2% | 12.9% | 8.3% | .227 | 1.41 | .253 | 75.4% | 85 | 115 | 5.75 | ||||
| 2021 | SSG | KBO | 8.29 | 5.75 | 1.44 | 1.20 | 20.9% | 14.5% | 6.4% | .224 | 1.49 | .262 | 82.4% | 74 | 109 | 5.10 | ||||
| 2022 | SSG | KBO | 7.35 | 4.81 | 1.53 | 0.67 | 18.5% | 12.1% | 6.4% | .248 | 1.49 | .298 | 74.0% | 96 | 102 | 4.36 | ||||
| 2023 | SSG | KBO | 7.89 | 6.04 | 1.31 | 0.37 | 19.7% | 15.1% | 4.6% | .228 | 1.52 | .288 | 83.9% | 58 | 101 | 4.36 | ||||
| 2024 | SSG | KBO | 7.28 | 4.98 | 1.46 | 0.96 | 18.0% | 12.3% | 5.7% | .281 | 1.66 | .331 | 62.0% | 109 | 100 | 5.17 | ||||
| 2025 | SSG | KBO | 0.00 | 20.25 | 0.00 | 0.00 | 0.0% | 42.9% | -42.9% | .250 | 3.00 | .250 | 75.0% | 155 | 230 | 10.19 |
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2015 | SK | KBO | 10.13 | 2.53 | 4.00 | 1.69 | 25.3% | 6.3% | 18.9% | .281 | 1.45 | .344 | 66.9% | 121 | 94 | 4.60 | ||||
| 2016 | SK | KBO | 10.13 | 4.39 | 2.31 | 1.01 | 25.0% | 10.8% | 14.2% | .248 | 1.46 | .319 | 67.9% | 91 | 90 | 4.66 | ||||
| 2017 | SK | KBO | 10.76 | 4.50 | 2.39 | 0.78 | 27.8% | 11.6% | 16.2% | .246 | 1.43 | .336 | 74.5% | 79 | 79 | 3.93 | ||||
| 2018 | SK | KBO | 10.44 | 4.14 | 2.52 | 2.52 | 25.8% | 10.2% | 15.6% | .260 | 1.50 | .297 | 71.4% | 118 | 127 | 6.61 | ||||
| 2019 | SK | KBO | 10.06 | 3.71 | 2.71 | 0.26 | 27.2% | 10.0% | 17.2% | .213 | 1.19 | .298 | 79.8% | 56 | 65 | 2.84 | ||||
| 2020 | SK | KBO | 8.26 | 5.02 | 1.65 | 1.62 | 21.2% | 12.9% | 8.3% | .227 | 1.41 | .253 | 75.4% | 85 | 115 | 5.75 | ||||
| 2021 | SSG | KBO | 8.29 | 5.75 | 1.44 | 1.20 | 20.9% | 14.5% | 6.4% | .224 | 1.49 | .262 | 82.4% | 74 | 109 | 5.10 | ||||
| 2022 | SSG | KBO | 7.35 | 4.81 | 1.53 | 0.67 | 18.5% | 12.1% | 6.4% | .248 | 1.49 | .298 | 74.0% | 96 | 102 | 4.36 | ||||
| 2023 | SSG | KBO | 7.89 | 6.04 | 1.31 | 0.37 | 19.7% | 15.1% | 4.6% | .228 | 1.52 | .288 | 83.9% | 58 | 101 | 4.36 | ||||
| 2024 | SSG | KBO | 7.28 | 4.98 | 1.46 | 0.96 | 18.0% | 12.3% | 5.7% | .281 | 1.66 | .331 | 62.0% | 109 | 100 | 5.17 | ||||
| 2025 | SSG | KBO | 0.00 | 20.25 | 0.00 | 0.00 | 0.0% | 42.9% | -42.9% | .250 | 3.00 | .250 | 75.0% | 155 | 230 | 10.19 |
