Los Angeles Dodgers right‑hander Yoshinobu Yamamoto gave up three home runs in a 6‑1 loss to the San Francisco Giants on Tuesday, pushing his record to 3‑13. The veteran starter entered the game with a 3.60 ERA and a 1.00 WHIP, and now faces a critical stretch as the club eyes a postseason berth.
Yoshinobu Yamamoto entered the 2026 season after a breakout 2023 in which he allowed just 14 long balls over 173.2 innings. Yet opponents have already launched eight homers off him in only 50 innings this year, a trend that threatens the Dodgers’ rotation depth and could force a bullpen reshuffle.
Recent outings expose a new vulnerability
After a promising debut season, the Japanese ace arrived in 2026 with lofty expectations, but he has surrendered at least three runs in each of his last four starts, suggesting hitters have begun to decipher his repertoire. The upcoming road series against the San Diego Padres offers a chance to reverse the slide.
Metrics tell a mixed story
Through eight starts, Yamamoto has logged 48⅔ innings, striking out 68 batters while issuing no walks, an impressive K:BB ratio. His WHIP of 1.00 masks the surge in power hits; eight homers represent a 57% increase over his 2023 rate. Advanced metrics show his barrel rate climbing to .026, up from .014 last year, indicating harder contact on balls in play.
Yoshinobu Yamamoto has seen his fastball velocity dip slightly, averaging 94.2 mph this season versus a 95.1 mph peak in 2023. Slider usage rose to 28% of total pitches, up from 22% the previous year, as he searches for a new strikeout weapon.
The numbers reveal that his home‑run rate now sits at 0.16 per nine innings, a stark rise from 0.08 last season, according to MLB.com. The front office is reportedly exploring minor tweaks to his pitch sequencing to blunt hard contact.
Key developments
- Yamamoto’s fastball averaged 94.2 mph this season, a slight dip from his 95.1 mph peak in 2023.
- Slider usage rose to 28% of total pitches, up from 22% the previous year, as he searches for a new strikeout weapon.
- The Dodgers front office scheduled a video session with former pitching coach Dave Hansen to dissect the recent home‑run spikes.
- Los Angeles will start Yamamoto on Friday in San Diego, marking his first start against the Padres since the 2024 NLDS.
- Despite the recent struggles, Yamamoto remains under contract through 2028 with a $24 million option for 2027.
Implications for L.A.’s playoff picture
Yamamoto’s ability to limit walks keeps his strikeout potential high, but the surge in long balls could force the Dodgers to adjust bullpen usage, especially in tight games against division rivals. If the Padres series goes well, confidence may be restored and the rotation kept intact for a September push. Conversely, continued vulnerability could accelerate talks about his trade value or a role shift to the bullpen.
Dodgers general manager Andrew Friedman said the club is “monitoring the situation closely” and that any changes will be data‑driven. The front office has also been known to lean on analytics departments when a pitcher’s peripheral numbers drift, a practice that was credited with turning around the staff in 2022.
Yoshinobu Yamamoto’s next start will be a litmus test for whether the Dodgers can still rely on him as a frontline starter or must consider a temporary bullpen stint to reset his rhythm. The outcome could shape the team’s postseason trajectory as the NL West race tightens.
How many home runs did Yamamoto allow in his rookie season?
Yamamoto gave up 12 homers over 122 innings as a rookie with the Dodgers in 2024, a modest total that highlighted his early command (public MLB stats).
Is Yamamoto eligible for arbitration this season?
No, Yamamoto is already under a long‑term deal that runs through 2028, removing him from arbitration eligibility until the contract expires.
What pitch does Yamamoto rely on most against right‑handed batters?
Against right‑handers, his four‑seam fastball remains the primary weapon, accounting for roughly 55% of his pitches, followed by a cutter that generates weak contact.
How does Yamamoto’s 2026 ERA compare to his career ERA?
His 3.60 ERA this season is higher than his career 3.25 mark, reflecting the recent uptick in runs allowed despite a solid WHIP.
Will the Dodgers consider moving Yamamoto to the bullpen?
While no official decision has been made, the front office has indicated that a temporary bullpen stint could be used to reset his rhythm if his home‑run trouble persists.
