

The Tokyo Dome was all excited to experience the young Japanese phenom Roki Sasaki making his MLB debut in the Tokyo Series. And oh boy! He wasted no time showing why he was the talk of the town! As Sasaki stepped onto the field, a tense look crossed his face, a mix of nerves and anticipation—but it didn’t last long.
Once on the mound, he quickly delivered an unforgettable performance that had fans on the edge of their seats.
Sasaki’s debut inning saw his very first strikeout in the majors. It came brilliantly as he blew a four-seam fastball at 99.3 mph past his Japanese teammate and Cubs star Suzuki Seiya. The electric start didn’t end there. Sasaki followed up by inducing a flyout from Kyle Tucker, capping off a perfect 1-2-3 first inning.
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Roki Sasaki blows a four-seamer at 99.3 mph past Seiya Suzuki for his first Major League strikeout. Then he induces a flyout from Kyle Tucker to complete a 1-2-3 first inning.
— Dodger Insider (@DodgerInsider) March 19, 2025
The numbers? Absolutely impressive! clocking 100 mph in his first three MLB pitches, 1 inning pitched, 1 strikeout, and 0 hits. The fastball velocity, paired with his poise on the mound, had fans buzzing with excitement about what’s to come from this future star.
However, the buzz wasn’t just confined to the stands. The moment Roki made his MLB debut, the Dodgers blues from all around the world went crazy with reactions pouring all over social media! Fans couldn’t contain their enthusiasm as they celebrated the arrival of their new pitching sensation.
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Did Roki Sasaki's 99.3 mph fastball make him the next big thing in MLB?
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Global Cheers: Fans go wild over Roki Sasaki’s MLB Debut
As Roki Sasaki’s electric MLB debut unfolded on the mound in the Tokyo Dome, fans across the globe quickly took to social media, sharing their reactions and celebrating the arrival of a new international star. From Los Angeles Dodgers supporters to baseball enthusiasts worldwide, the buzz was palpable as Sasaki’s flawless first inning became the talk of the town.
roki sasaki first mlb walks 🔥🔥🔥🔥
— alex 🌟 (0-1) (@rapterz_) March 19, 2025
Fans were especially eager to witness his full debut, and while the strikeouts and fastball velocity stole the show, Sasaki’s composure after his first-ever walk in the big leagues also caught attention. Every pitch, every moment felt like an event, and Sasaki’s first walk just added another layer to his growing legend.
Roki Sasaki becoming a Dodger should have been illegal
— Bree (@breedelio) March 19, 2025
The sheer excitement of Dodgers fans, who couldn’t believe their team had secured one of Japan’s most promising young stars. After Sasaki’s flawless debut, it’s clear that fans are already envisioning him as the ace of the future. His dominant stuff, mixed with his calm demeanor, has them dreaming of championship-caliber seasons with the 22-year-old on the mound.
OK yeah he’s gonna be a problem
— Card Cashers/1 (@cardcashers) March 19, 2025
Sasaki’s ability to step onto the mound in his first Major League appearance and immediately make an impact left no doubts. His fastball reached 99.3 mph, his control was impeccable, and he showed poise under the bright lights of the Tokyo Dome. His debut has solidified what many were already saying about his potential: He’s going to be a serious problem for opposing hitters for years to come.
Roki Sasaki pitch are nasty, better first impression than Yamamoto v the Padres last year.
— Van Aert🇶🇦 (@AdlTS2) March 19, 2025
Roki Sasaki didn’t just have an ordinary debut; he came out firing, with a fastball that left hitters struggling to catch up. His ability to generate movement and throw with precision had fans comparing him to other Japanese stars like Yamamoto, who also made waves during his debut. Sasaki’s performance exceeded even the highest expectations, leading fans to feel that his first MLB impression was among the most impressive they’ve ever witnessed.
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Woke up early just to see Roki Sasaki dice us up pic.twitter.com/oK1w3rUWOY
— Joey (Lev Truther) (@suzukiplshomer) March 19, 2025
Some Chicago Cubs fans couldn’t help but acknowledge Sasaki’s electric performance. It speaks to the level of respect and admiration that Sasaki’s talent has earned, even from those who were hoping to see him falter. The fact that this Cubs fan took the time to wake up early and watch Sasaki shows just how much hype surrounds the young pitcher.
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Roki Sasaki’s debut has undeniably captivated the baseball world. From his explosive velocity of his fastball and his unshakable poise on the mound, it’s clear he is the next big thing in the making! Do you agree, too?
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Debate
Did Roki Sasaki's 99.3 mph fastball make him the next big thing in MLB?