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Roki Sasaki turned in what may have been his most encouraging outing yet as a Dodger on Saturday, and the biggest takeaway wasn’t the final line — it was the jump in his fastball velocity. Both Sasaki and manager Dave Roberts expressed surprise at the uptick, per staff reporting at Dodger Blue.

Sasaki’s journey to this point has been one of the most closely watched stories in baseball. The right-hander came over from Japan’s Chiba Lotte Marines as one of the most hyped international pitching talents in years, armed with a triple-digit fastball and a splitter that borders on unfair. His early outings with the Dodgers showed flashes but also the expected adjustment period — working with a new coaching staff, adapting to MLB hitters, and building up his workload. Saturday felt different. The quality of his stuff and his command were both a step above what we’ve seen from him so far, and the velocity spike is a big part of why.

For context, Sasaki’s fastball in his first several MLB starts had generally sat in the upper-90s range, already plenty lively but a tick below the triple-digit heat he regularly flashed in NPB. Seeing that number climb — and climb enough to catch both the pitcher and his manager off guard — suggests Sasaki is settling in physically. He’s getting more comfortable on the mound, his mechanics are syncing up, and his arm is responding. That’s the kind of progression you hope for but can’t guarantee, especially with a young arm adjusting to a new league, new baseball, and a full MLB schedule.

Roberts being surprised matters here too. This isn’t a case where the coaching staff engineered a mechanical tweak to squeeze out more velocity. It sounds like it happened naturally, which in some ways is even more encouraging. Sasaki’s body is catching up to the opportunity, and if the command stays where it was Saturday, the velocity bump makes his already-elite arsenal that much more dangerous.

I think the broader picture is what makes this exciting for us. The Dodgers’ rotation has dealt with significant injury issues this season — Blake Snell is on the 60-day IL, Tyler Glasnow‘s back recovery has stalled, and the staff has been leaning on depth pieces to fill gaps. Sasaki trending upward — not just holding steady but actually improving — is exactly what this pitching staff needs. If he can sustain this velocity while maintaining the command he showed Saturday, we’re looking at a front-of-the-rotation arm starting to realize his ceiling in real time. That changes the math for this team in a meaningful way as we head into June.

Source(s): Staff (Dodger Blue) | First reported: May 31, 2026 4:33 PM UTC

God Bless and Go Dodgers