Is the brother-in-law of Jung-Hoo Lee, a fellow Korean-born player who signed with the San Francisco Giants in December 2023...Go was signed by the Padres 14 days after the Giants signed Lee...Go is married to Lee's youngers sister.
2024
Combined to go 4-3 with a 6.54 ERA (38 ER/52.1 IP) in 44 relief appearances between Double-A San Antonio, Double-A Pensacola and Triple-A Jacksonville...Signed by San Diego as an International free agent on Jan. 3, joining the team for his first Major League Spring Training after playing seven seasons for the LG Twins in the KBO from 2017-23...Started the season with Double-A San Antonio. In 10 games there from April 5-May 1, went 0-2 with a 4.38 ERA (6 ER/12.1 IP), four walks and 15 strikeouts...Converted one save in three opportunities. His first career save came on April 14 vs. Northwest Arkansas. Tossed a perfect ninth inning with one strikeout. Went 0-for-2 in his next two opportunities and appearances on April 18 and April 21...Acquired by Miami with OF Dillon Head, OF Jakob Marsee and INF Nathan Martorella from San Diego in exchange for INF Luis Arraez on May 4...Designated for assignment by Miami on May 30 and sent outright to Triple-A Jacksonville on June 4...In 16 appearances with Triple-A Jacksonville during two stints from May 8-29 and June 7-July 4, posted a 4.29 ERA (10 ER/21.0 IP), 2-0 record with seven walks against 14 strikeouts in 16 appearances...Was moved to Double-A Pensacola to close the year. Went 2-1 with a 10.42 ERA (22 ER/19 IP), 11 walks and 23 strikeouts in 18 appearances. Converted two saves in four opportunities.
2023
In 44 relief appearances for the 2023 Korean Baseball Organization (KBO) Champion LG Twins last season, Go posted a career-best 12.1 strikeouts per 9.0 innings pitched with a 3.68 ERA (18 ER, 44.0 IP)... According to the KBO statistics site Statiz, Go's fastball averaged 152.5 kph (kilometers per hour; which equates to 94.8 mph) in 2023, fastest among all relievers with at least 40 innings pitched...Owned a 1.36 WHIP with 15 saves and 59 strikeouts against 22 walks...posted 4.50 walks allowed per nine innings pitched...compared to the previous year in 2022, he had walked just 21 in 17 more appearances made...Allowed just two home runs to his 190 batters faced...The right-hander had reverse splits, limiting left-handed batters to a .179 opponent average while righties hit .286...Logged the final out in Game 5 of the Korean Series opposite the KT Wiz, going 1-1 with a save in the KBO Postseason...His 44 appearances were his fewest since he made 40 in the 2020 campaign...His 139 total saves from 2019-23 led the league over that span, and his 2.39 ERA was also the lowest among all KBO closers in the 2019-2023 timeframe...Joined teammate Ha-Seong Kim on the 2023 World Baseball Classic roster for the South Korean team, but he did not make an appearance in the tournament.
2022
Had a career-best 1.48 ERA (10 ER, 60.2 IP) and led the KBO in saves with 42 in 61 appearances and in his sixth season with the LG Twins...Among all KBO pitchers who tossed at least 60.0 innings in 2022, his 1.48 ERA was the lowest...his 21 walks allowed were T-6th fewest among those with at least 60.0 IP...Struck out a career-high 80 batters while allowing just 21 walks and posted a career-best 0.96 WHIP.
2021
Made 63 appearances in his 5th season with the LG Twins, going 4-2 with a 2.17 ERA (14 ER, 58.0 IP)...his 63 outings trailed just his 65 in '19 for the most in a season in his career...His seven blown saves were the most in a single season in his career, topping his previous high of four blown saves in both 2019 and 2020...His 30 saves in 2021 were most since his 35 in 2019...Was on the roster for the South Korea team in the 2020 Summer Olympics, but due to the COVID-19 Pandemic, was delayed until 2021...they played in Japan from July 29-Aug. 7, and his only decision in the games was a loss to Japan on Aug. 4.
2020
Owned a 4.10 ERA and 1.34 WHIP in 40 KBO appearances for the LG Twins...his ERA was his highest since his 5.91 ERA in 2018...Went 0-4, and other than his rookie 2017 season (0-0 in 25 appearances), it was his only season without a single win...Struck out 51 batters and allowed 19 walks...allowed just two home runs in his 183 batters faced.
2019
Logged 35 saves and owned a 1.52 ERA while striking out 76 over a career-high 71.0 innings...had a 1.08 WHIP while allowing just four home runs in 288 batters faced.
2018
Posted a 5.91 ERA in 2018 in 67.0 innings pitched...had a career-high 37 walks allowed and hit batters five batters... posted a career-high in holds (3).
2017
Made his professional debut as an 18-year-old with the LG Twins. Tossed 26.0 innings for a 4.50 ERA and 1.58 WHIP in 25 appearances.
