Joshua Kuroda-Grauer’s career took an unexpected turn in a matter of hours, as the young Athletics infielder experienced the highlight of his budding Major League career by hitting his first career home run, but that celebration was overshadowed by a very unusual and painful injury during the 2026 MLB season.
The 23-year-old baseball player underwent emergency surgery after suffering a ruptured testicle when he was struck by a foul ball during the Athletics’ 5-2 victory over the Arizona Diamondbacks. The organization later confirmed that Kuroda-Grauer was placed on the 10-day injured list as he begins his recovery.
A night that went from historic to dramatic
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It all got off to a great start for the rookie.
In the second inning, he hit the first home run of his Major League career, a moment that seemed to mark the beginning of another outstanding performance.
However, the situation changed in the fifth inning.
During his third at-bat, a foul ball bounced directly into his groin area.
Despite the hard hit, Joshua Kuroda-Grauer decided to stay in the game.
He even ended that at-bat with a single and took the field at third base in the bottom of the inning.
Minutes later, the pain became unbearable, and he left the game in the sixth inning to be evaluated by the medical staff.
A few hours later, the Athletics confirmed the diagnosis:
A ruptured testicle, an extremely rare injury in professional baseball that required immediate surgery (Filed under: Joshua Kuroda-Grauer Suffers Serious Injury).
One of the Athletics’ breakout players
The injury comes at the peak of infielder Joshua Kuroda-Grauer’s athletic career.
Ranked by MLB.com as one of the organization’s top prospects, Kuroda-Grauer made his Major League debut on June 29, 2026, and quickly began to stand out.
In his first 17 games, he posted the following stats:
Batting average of .417
25 hits
1 home run
4 RBIs
OPS of 1.019
In addition, he demonstrated defensive versatility by playing second base, third base, and shortstop without making any errors.
This is one of the most encouraging pieces of news for a team that has dealt with multiple injuries throughout the season.
It required immediate surgical intervention
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How long might I be away?
Although the Athletics have not set an official timeline for his return, various medical reports indicate that surgery of this type typically requires between four and eight weeks of initial recovery.
However, complete healing may take several months.
This leaves open the possibility that the rookie could miss a significant portion of the remainder of the 2026 season.
Depending on how his rehabilitation progresses.
To fill in for him, the organization called up infielder Max Muncy from Triple-A Las Vegas.
Thus, a night that began with the first home run of his career ended up becoming one of the most shocking and unusual stories in Major League Baseball in 2026 (Filed under: Joshua Kuroda-Grauer Suffers Serious Injury).
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