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Seattle Mariners vs Texas Rangers Starting Lineup — Monday, Jul 27, 2026

Monday, Jul 27, 2026Globe Life Field2:35 PMPreviewStarting Lineups
SEA · Away

Seattle Mariners

SP: George Kirby · ERA 3.57
@
2:35 PM
TEX · Home

Texas Rangers

SP: Kumar Rocker · ERA 4.13
Lineups PendingAnnounced ~1–2 hrs before first pitch · 2:35 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 Texas Rangers.

◆ Matchup preview

Seattle Mariners at Texas Rangers (2026-07-27). George Kirby vs Kumar Rocker at Globe Life Field.

Starters — Kirby: 3.57 ERA, 1.28 WHIP, 116 IP, 8.07 K/9, 1.94 BB/9, 0.85 HR/9. His last three starts were strong: 6.0 IP, 0 ER, 6 K, 1 BB; 6.0 IP, 2 ER, 7 K, 0 BB; and 8.0 IP, 2 ER, 7 K, 1 BB. The trend is down, which aligns with the recent run prevention and elite walk control. Rocker: 4.13 ERA, 1.31 WHIP, 96 IP, 8.06 K/9, 3.38 BB/9, 1.13 HR/9. His last three starts were 6.0 IP, 0 ER, 6 K, 2 BB; 5.2 IP, 7 ER, 6 K, 2 BB; and 4.1 IP, 3 ER, 4 K, 1 BB. The trend is up, but his profile still carries more traffic risk than Kirby because the walk rate and home run rate are both higher.

Teams — Seattle enters with a .687 OPS, 426 runs, a 3.65 team ERA, and a 1.18 team WHIP. The Mariners are 5-5 in their last 10 games. Their offensive line is lighter, but the pitching staff has been the steadier unit overall. Texas has a .724 OPS, 443 runs, a 4.30 team ERA, and a 1.27 team WHIP. The Rangers are also 5-5 in their last 10. Texas brings the better offensive baseline by OPS and runs, while Seattle holds the cleaner edge on the mound at both the starter and team levels.

Key facts
Kirby has allowed 4 earned runs across his last 20.0 inningsTexas owns the stronger offense with a .724 OPS and 443 runsSeattle owns the better staff marks with a 3.65 ERA and 1.18 WHIP