.340 Hitting Infielder Is Newest MLB Free Agent
The free agent market has a new entrant on the infield, as the KBO's Sung-mun Song has now been posted by his Korean team, the Kiwoom Heroes.
#KBO posting: Kiwoom Heroes 3B Song Sung-mun will be posted. KBO said it has asked MLB to notify its 30 clubs of Song's posting. His 30-day negotiating window will open at 8 a.m. EST the day after MLB tells its teams.
— Jeeho Yoo (@Jeeho_1) November 21, 2025
The third baseman has had two straight sensational seasons, including batting .340 in 2024, and following that up with another terrific power/speed combo season in 2025, in which he blasted 26 home runs to go with 25 stolen bases, while slashing .315/.387/.530 for a .917 OPS. He also drove in 194 runs over those two seasons.
Song, 29, is a late bloomer. His two best seasons have come in the last two years.
— Jeeho Yoo (@Jeeho_1) November 21, 2025
2024: .340/.409/.518. 19 HR, 104 RBI, 21SB
2025: .315/.387/.530. 26 HR, 90 RBI, 25 SB.
Primarily 3B. Can also play 2B. Bats left, throws right.
The 29-year-old started his career slowly, but has broken out big time since 2024. He has shown tremendous gap power.
#송성문 좌타 갭파워
— #추장군 💙🕯🕯 (@heleunandeseuk) November 21, 2025
파워는 확실히 좋네요
포스팅에 꼭 성공하길 바랍니다
1루수도 가능 한가요? pic.twitter.com/UemyqNTvb0
The left-handed hitter can also play second base, but is primarily a third baseman.
As noted by Will Sammon in The Athletic, "evaluators see him as more of a utility type than an everyday player."
Among teams that could be in the market for a lefty bat and/or 2B/3B/utility player, are the LA Angels, Houston Astros, and Oakland A's.
The posting period has begun, and runs for only 30 days.
Photo: © Darryl Webb/For The Republic
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