NPB Baseball Computer Picks: AI Picks for Japanese Baseball on Friday, May 22
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Friday’s slate in Japan offers another strong opportunity to lean into data-driven projections, and these NPB baseball computer picks continue to focus exclusively on First Five Innings markets.
The reason is simple: Japanese baseball behaves differently than MLB.
NPB is generally lower scoring, starting pitching tends to work deeper into games, and elite arms often suppress offense at a much higher rate than their MLB counterparts. Bullpens can still introduce randomness late, but many of the strongest edges appear earlier when starters are controlling the game environment.
That is why these baseball AI picks isolate the first five innings whenever possible. The model attempts to remove bullpen volatility and focus on the cleanest variables available: starting pitcher quality, strikeout and walk suppression, home-run prevention, and offensive production.
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For offense, advanced team metrics are compiled using an aggregate of ranked hitters with a minimum of 50 plate appearances to reduce noise from small samples and bench usage.
For Friday’s NPB slate, two unders and one offense stand out among the best AI betting picks on the slate.
Yomiuri Team Total Under 1.5 (-166) vs Hanshin
This is the strongest pitcher-versus-offense mismatch on the board.
Yomiuri still carries offensive name value, but the underlying profile has fallen well below public perception.
Current offensive indicators:
- 98.5 wRC+
- .304 wOBA
- .122 ISO
- 22.4% strikeout rate (highest on Friday’s slate)
Those numbers point toward a lineup generating below-average run creation with limited power output and elevated swing-and-miss concerns.
That becomes a major problem against Haruto Takahashi.
Takahashi enters as the strongest mapped starter in the model:
- 48.0 innings pitched
- 0.38 ERA
- 1.14 FIP
- 0.54 WHIP
- 9.00 K/9
- 0.94 BB/9
- 25.7% K-BB%
That profile is elite across every category.
The WHIP and walk suppression limit free baserunners while the strikeout ability prevents rallies from building. Against an offense carrying modest power numbers, Yomiuri projects to need one highly leveraged extra-base sequence rather than sustained offense to clear two runs.
That is difficult to achieve against a starter allowing almost no traffic.
Nippon Ham Team Total Over 1.5 (-125) vs SoftBank
Overs are harder to find in NPB, which makes this one stand out.
Nippon Ham remains one of the strongest offenses in Japanese baseball and grades as a clear top-two lineup in the current offensive file.
Team profile:
- 122.2 wRC+
- .340 wOBA
- .166 ISO
- 36.9 wRAA
This lineup combines above-average power with strong overall run creation and consistent pressure throughout the order.
That offense now gets a favorable matchup against Yugo Maeda.
Maeda’s underlying numbers create a much more attackable environment than his surface results suggest:
- 15 innings pitched
- 4.43 FIP
- 4.20 K/9
- 6.3% K-BB%
- 1.20 HR/9
The biggest concern is the strikeout profile.
Low strikeout pitchers in NPB can survive if they suppress contact quality, but adding home-run risk against one of the league’s most productive offenses creates problems quickly.
Nippon Ham does not need a breakout game. Two early runs are enough, and their offensive profile creates multiple paths to get there.
Hiroshima Team Total Under 1.5 (-154) vs Chunichi
The final play is another offense fade.
Hiroshima remains the weakest offense in the model by a meaningful margin and now faces one of the steadier starters available.
The Carp continue to struggle generating impact contact, and the offense lacks both ISO production and consistent run creation.
That creates a difficult setup against Yuya Yanagi.
Yanagi’s profile is built around stability:
- 51.1 innings pitched
- 2.10 ERA
- 2.60 FIP
- 1.17 WHIP
- 7.89 K/9
- 2.28 BB/9
He may not carry the dominance of Takahashi, but he consistently limits damage and avoids self-inflicted innings.
The risk with any low team-total under is one clustered inning. But Hiroshima’s offensive profile suggests a lack of sustained quality contact needed to score multiple runs.
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