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Seattle Mariners vs Houston Astros Starting Lineup — Friday, Aug 14, 2026

Friday, Aug 14, 2026Daikin Park8:10 PMPreviewStarting Lineups
SEA · Away

Seattle Mariners

SP: George Kirby · ERA 3.68
@
8:10 PM
HOU · Home

Houston Astros

SP: Peter Lambert · ERA 3.09
Lineups PendingAnnounced ~1–2 hrs before first pitch · 8:10 PM ET
Full matchup preview

Expected Batting Order

Official lineups not yet announced for this game. Check back closer to game time.

No lineup data available for Seattle Mariners.

No lineup data available for Houston Astros.

◆ Matchup preview

Seattle Mariners at Houston Astros (2026-08-14). George Kirby vs Peter Lambert at Daikin Park.

Starters — George Kirby enters with a 3.68 ERA, 1.27 WHIP, and 132.0 innings, with 7.64 K/9, 1.91 BB/9, and 1.09 HR/9. His last three starts were mixed: 5.0 IP, 1 ER, 2 K, 2 BB; 7.0 IP, 0 ER, 3 K, 1 BB; and 4.0 IP, 7 ER, 3 K, 0 BB. The overall trend is listed as down, though two of the last three outings were effective at run prevention. Peter Lambert has a 3.09 ERA, 1.15 WHIP, and 113.2 innings, with 8.79 K/9, 3.48 BB/9, and 0.95 HR/9. His last three starts were steady: 5.0 IP, 2 ER, 3 K, 3 BB; 5.2 IP, 2 ER, 8 K, 2 BB; and 5.0 IP, 2 ER, 6 K, 1 BB. His trend is up, supported by three straight starts allowing exactly two earned runs.

Teams — Seattle has a .681 OPS, 469 runs scored, a .228 team average, and a pitching staff with a 3.81 ERA and 1.21 WHIP. The recent form is poor at 3-7 over the last 10, which matters for a lineup that has been below Houston in both OPS and total runs. Houston brings a .730 OPS, 559 runs scored, and a .243 team average, giving the Astros the stronger offensive profile in this matchup. On the mound as a team, Houston has a 4.54 ERA and 1.35 WHIP, which is weaker than Seattle’s overall staff performance, and the Astros are 5-5 in their last 10. Bettors can frame this game as Seattle bringing the better full-season run prevention numbers, while Houston counters with the more productive offense and the hotter individual starter.

Key facts
Houston offense leads Seattle in OPS (.730 to .681) and runs (559 to 469)Seattle team pitching is stronger overall with a 3.81 ERA and 1.21 WHIP versus Houston’s 4.54 and 1.35Lambert has allowed 2 ER in each of his last three starts, while Kirby’s last three include both a 7.0 scoreless outing and a 4.0 IP, 7 ER setback