Moneyball Labs
Son Ju-young
LG TwinsRelief pitcherNo. 29Below qualification

Son Ju-young

손주영

A 27-year-old left-handed pitcher for the LG Twins, drafted by LG in 2017, first round, 2nd overall. This is his 10th season since a 2017 debut. This season, working mostly in relief: 1–2, 31 saves and 0 holds, a 3.22 ERA over 50.3 innings, 4.23 FIP and 0.90 WAR.

Born
1998-12-02· 27
Position
Pitcher
Bats / throws
bats left, throws left
Height · Weight
191 cm · 95 kg
Draft
Drafted by LG in 2017, first round, 2nd overall
Debut
2017

Path울산대현초개성중경남고

Percentile

Against the league

Percentile against every qualified pitcher in the league this season.

ERA3.22
FIP4.23
K%22.0%
BB%14.1%
HR/90.4
WHIP1.55
WAR0.90

Workload

Pitches / inning

17.5

Pitches / batter

3.88

Fatigue index

95

100 is a league-typical workload. Above it, the arm is doing more work per out than the innings column suggests.

47 G

Pitching line

IP50 1/3TBF227
W1L2
SV31HLD0
H46HR2
BB32HBP4
SO50NP881
R18ER18
QS0BSV5
CG0SHO0

Advanced

ERA3.22FIP4.23
E−F−1.01WHIP1.55
ERA+145FIP+110
K/98.9BB/95.7
HR/90.4K/BB1.56
BABIP.317LOB%81%
Opp AVG.246WAR0.90

Nearest neighbours

Closest comparables

Nearest neighbours by standardised rate profile, not by reputation.

PlayerTeamIPERAFIPK%BB%HR/9WAR
Choi Min-seokDoosan146 1/33.203.7520.4%8.5%0.53.36
Park Se-woongLotte147 1/34.644.2519.1%8.0%0.72.60
Adam OllerKIA1783.133.7325.1%8.6%0.74.12
Kim Jin-ukLotte144 1/34.124.7019.6%8.1%1.11.88
Jeremy BeasleyLotte1474.963.7224.1%6.7%0.83.41

Pitcher WAR is built from FIP, so it credits strikeouts, walks and home runs and stays neutral on everything the defence touched. Relief innings are not leverage-weighted, which understates a closer.