Just as momentum was building for a new Padres standout, an unexpected injury suddenly changed the conversation.
Now the question looming over San Diego’s camp is simple: how serious is it?
The San Diego Padres were enjoying a dominant spring training performance Thursday when a sudden injury scare briefly overshadowed the celebration.
Utility player Sung-Mun Song, one of the team’s most intriguing offseason additions, exited the Padres’ Cactus League victory over the Seattle Mariners with right oblique tightness, raising immediate concern about his availability as Opening Day approaches.
The timing couldn’t have been more dramatic.
Earlier in the game, Song had delivered one of the most electric moments of the afternoon — launching a towering solo home run to right field off All-Star pitcher Luis Castillo. The blast ignited a massive 12-run inning for San Diego and instantly fueled excitement among fans and coaches watching his rapid adaptation to Major League Baseball.
But just innings later, that excitement turned to uncertainty.
Song struck out during his second plate appearance in the same inning and was pinch-hit for in the top of the third, prompting questions from observers who noticed his sudden departure.
Soon after, Padres officials confirmed the reason: tightness in his right oblique, a concerning development given the injury history surrounding the muscle group earlier this spring.
According to manager Craig Stammen, the team chose to remove Song from the game purely as a precaution.
“We’ll see what it’s like when the trainers get ahold of him and interpret it,” Stammen explained, via MLB.com reporter AJ Cassavell. “Hopefully it’s nothing big, but we’ll see.”
The cautious approach is understandable.
Song had already dealt with oblique discomfort earlier this spring shortly after signing with the Padres, an issue that delayed his initial participation in workouts and batting practice. Though he eventually returned to Cactus League action, Thursday’s flare-up raises concerns that the injury may not be fully behind him.
For a player fighting to secure a roster spot, the timing is particularly delicate.
Song is currently competing for one of the Padres’ final bench positions, but his strong defensive play and growing comfort at the plate had begun to make him a standout candidate for the Opening Day roster.
The Padres clearly believe in his potential.
During the offseason, San Diego signed the former KBO Gold Glove winner to a four-year, $15 million contract, envisioning him as a versatile defensive weapon capable of contributing across multiple positions.
In fact, the team has already begun expanding his role dramatically.
While Song spent most of his career in Korea playing other positions, the Padres are experimenting with him at shortstop for the first time in his professional career — a bold move designed to maximize his versatility.
There are also discussions about eventually giving him time in the outfield, transforming him into the kind of adaptable “super utility” player that modern MLB teams increasingly value.
For now, however, the immediate focus remains shortstop — the position he started at in Thursday’s game.
Song has embraced the challenge.
“Whenever [manager Craig Stammen] needs me to,” Song said earlier this spring through interpreter Jun Yi. “It’s going to be different playing in the outfield or at shortstop. But if the team needs me to play it, then I have to prepare for it.”
Through limited spring action so far, the 29-year-old has posted a .250 batting average with one home run and an .806 OPS, numbers that suggest encouraging progress as he adjusts to the higher velocity and intensity of Major League pitching.
That adjustment period is especially important for players transitioning from the Korea Baseball Organization, where pitchers typically throw at lower average velocities than in MLB.
Because of that difference, spring training reps are crucial — both to adapt at the plate and to refine defensive positioning at a new position.
And that’s why Thursday’s injury scare matters.
With Xander Bogaerts temporarily away for the World Baseball Classic, Song has a rare opportunity to receive extended reps at shortstop during camp — valuable development time that could help solidify his place on the roster.
The Padres are now hoping the oblique issue proves minor.
Because if Sung-Mun Song can stay healthy, he may soon become one of San Diego’s most valuable hidden weapons heading into the 2026 season.
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