Seattle Mariners vs Houston Astros Picks and Predictions for Sunday, August 16th, 2026

By: Cameron Ross Published 08/16/2026, 12:55 AM ET

Mariners vs Astros Game Information

The Seattle Mariners will wrap a 3-game trip Sunday night in Houston at 7:20 PM against the Houston Astros. Seattle is 8 games below .500 coming into this game and is currently 5 games back in the American League West, but they have won 2 of the last 3 games. The Houston Astros stay home Sunday, 2 games above .500, following the loss on Saturday to end a 2-game winning streak. Stay up to date with our MLB Picks.

Mariners Preview

Emerson Hancock got the start Saturday for Seattle, giving up 2 runs on 5 hits across 7 innings to pick up the victory. The Seattle bullpen was shaky, giving up 3 more runs on 3 hits over the final 2 innings of the game. Cole Young led the Seattle offense with 3 hits in 5 at-bats to drive in 4 runs. Brendan Donovan drove in 3 runs, and Victor Robles chipped in, driving in 2 runs.

Astros Preview

Hayden Wesneski got the start on Saturday for Houston and took the loss after giving up 5 runs on 7 hits across 4 innings. The Houston bullpen was just as bad, giving up 5 more runs on 8 hits over the final 5 innings of the game. Isaac Paredes led the Houston offense, driving in 2 runs.

Mariners vs Astros Pitching Matchup

Bryan Woo will get the start Sunday for the Mariners. Woo is 8-8 overall with a 4.15 ERA through 132.1 innings. Hunter Brown will be on the mound for Houston, looking to stay above 500. Brown is 3-2 with a 3.68 ERA in 63.2 innings.

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Mariners vs Astros Pick

The Houston Astros have the edge on Sunday on both sides of the plate and will finish this series on the right foot. Look for Houston to do the work early as they set the tone in game 3 of this set to protect their lead in the American League West. Take Houston to finish this series Sunday night with a win at home against a divisional foe.

Pick: Houston Astros -113
Secondary: Over 7.5
Lean: Yordan Alvarez Over 1.5 Bases

Final Score Prediction: Houston Astros win 6-4.