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Seattle Mariners vs Houston Astros Starting Lineups — August 15, 2026

Batting orders, positions, season stats, splits against the opposing starter's hand and batter-versus-pitcher history with sample size for both clubs.

7:10 PM ET · Daikin ParkFinal lineups locked · Aug 15, 3:20 PM ETStats updated Oct 29, 3:31 AM ET

Seattle Mariners

76–86 · 3rd AL West

Official

StarterHayden Wesneski

HandRHP

L / R bats4 L / 3 R / 2 S

OPS vs hand.712 vs RHP

Houston Astros

81–81 · 1st AL West

Official

StarterEmerson Hancock

HandRHP

L / R bats3 L / 6 R

OPS vs hand.739 vs RHP

Seattle Mariners batting order

Official lineupvs RHP Hayden Wesneski

#HitterPosH-ScoreAVGOBPOPSHRPAOPS vs HandBvP

1Brendan DonovanL3B41.277.371.7803159.936107 PA1-for-3Very small sample

1Brendan Donovan 3B · L.277/.371/.780·3 HRvs hand.936 · 107 PA · 1-for-3 · Very small41H-Score

2Randy ArozarenaRLF71.281.381.86526670.827472 PA1-for-5Small sample

2Randy Arozarena LF · R.281/.381/.865·26 HRvs hand.827 · 472 PA · 1-for-5 · Small71H-Score

3Dominic CanzoneLDH70.264.336.82023533.808388 PANo MLB historyNo MLB history

3Dominic Canzone DH · L.264/.336/.820·23 HRvs hand.808 · 388 PA · No MLB history · No MLB70H-Score

4Julio RodríguezRCF51.247.307.70822654.7230-for-5Small sample

4Julio Rodríguez CF · R.247/.307/.708·22 HRvs hand.723 · 0-for-5 · Small51H-Score

5Josh NaylorL1B42.261.317.66710650.6601-for-1Very small sample

5Josh Naylor 1B · L.261/.317/.667·10 HRvs hand.660 · 1-for-1 · Very small42H-Score

6Cole YoungL2B47.246.312.69317638.744No MLB historyNo MLB history

6Cole Young 2B · L.246/.312/.693·17 HRvs hand.744 · No MLB history · No MLB47H-Score

7Cal RaleighSC49.182.296.66423530.6802-for-2Very small sample

7Cal Raleigh C · S.182/.296/.664·23 HRvs hand.680 · 2-for-2 · Very small49H-Score

8Victor RoblesRRF25.256.315.6230149.5931-for-1Very small sample

8Victor Robles RF · R.256/.315/.623·0 HRvs hand.593 · 1-for-1 · Very small25H-Score

9Brock RoddenSSS—.197.306.585072.585No MLB historyNo MLB history

9Brock Rodden SS · S.197/.306/.585·0 HRvs hand.585 · No MLB history · No MLB—H-Score

Houston Astros batting order

Official lineupvs RHP Emerson Hancock

#HitterPosH-ScoreAVGOBPOPSHRPAOPS vs HandBvP

1Jeremy PeñaRSS51.277.325.80222483.8360-for-3Very small sample

1Jeremy Peña SS · R.277/.325/.802·22 HRvs hand.836 · 0-for-3 · Very small51H-Score

2Yordan AlvarezLDH82.316.4321.033426921.114508 PA0-for-2Very small sample

2Yordan Alvarez DH · L.316/.432/1.033·42 HRvs hand1.114 · 508 PA · 0-for-2 · Very small82H-Score

3Isaac ParedesR3B56.262.360.80725659.8152-for-3Very small sample

3Isaac Paredes 3B · R.262/.360/.807·25 HRvs hand.815 · 2-for-3 · Very small56H-Score

4Daulton VarshoLCF38.221.281.63612526.682377 PA1-for-5Small sample

4Daulton Varsho CF · L.221/.281/.636·12 HRvs hand.682 · 377 PA · 1-for-5 · Small38H-Score

5Jose AltuveR2B41.250.306.70116573.6724-for-6Small sample

5Jose Altuve 2B · R.250/.306/.701·16 HRvs hand.672 · 4-for-6 · Small41H-Score

6Christian WalkerR1B54.226.299.72629635.7141-for-5Small sample

6Christian Walker 1B · R.226/.299/.726·29 HRvs hand.714 · 1-for-5 · Small54H-Score

7Taylor TrammellLLF37.192.285.6268289.669No MLB historyNo MLB history

7Taylor Trammell LF · L.192/.285/.626·8 HRvs hand.669 · No MLB history · No MLB37H-Score

8Cam SmithRRF48.210.279.66921568.6682-for-3Very small sample

8Cam Smith RF · R.210/.279/.669·21 HRvs hand.668 · 2-for-3 · Very small48H-Score

9Christian VázquezRC27.207.261.5837266.5841-for-2Very small sample

9Christian Vázquez C · R.207/.261/.583·7 HRvs hand.584 · 1-for-2 · Very small27H-Score