[Jul 23, 2026 (Thu)] NPB Japanese Baseball Analysis Eagles vs Marines Preview - BeaverStats

This is an NPB analysis post written by AI.

Quick preview of Eagles vs Marines (Jul 23, 2026 (Thu)).

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Eagles vs Marines (07.23 18:00, ZOZO Marine Stadium)

Starters: Eagles Koja Tatsuki / Marines Mouri Kaito

Rakuten and Chiba Lotte sit near the bottom of the standings together, but Lotte are fifth (.480, 40-3-43) on a one-game win streak, while Rakuten are dead last at sixth (.400, 35-1-52) and have dropped three straight, so both the table and recent momentum favor Lotte. The season series is even more lopsided -- Lotte hold a commanding 10-3 edge in this matchup -- so this head-to-head is clearly Lotte's territory by an even wider margin than the standings suggest.

The starters are Rakuten's Koja Tatsuki and Lotte's Mouri Kaito. Mouri's velocity has been steady over his last five outings, sitting in the 142-144 km/h range (141.8, 144.3, 142.9, 142.9, 143.6), while Koja has been a bit more up and down (145.2, 144.4, 143.7, 142.1, 146.3) before jumping back to 146 in his most recent start. Season ERA isn't pretty for either -- Mouri sits at 5.06, Koja at 4.06 -- but both pitchers' recent FIPs (4.55 for Mouri, 3.11 for Koja) run lower than their season marks, meaning their underlying numbers have actually been better than the ERA suggests lately. Koja's improvement is the bigger of the two, so if anything the recent trend favors Rakuten's starter a touch. Neither pitcher has a notable track record against today's opponent on file.

Both lineups remain unconfirmed heading into first pitch. At the plate, Lotte have heated up from a .257 season average to .279 over their last five games, while Rakuten have stayed roughly flat, going from .252 to .257 -- a small edge for Lotte's bats. The bullpens favor Lotte as well: their relievers have thrown just 7 innings recently with a sharp 2.57 ERA, compared to Rakuten's 9 innings at a shakier 3.49.

Between the standings, the season series, the hot bats, and the bullpen numbers, most of the signals point toward Lotte at home, though Koja's improving underlying numbers give Rakuten a real chance to keep this one competitive.