Chicago Cubs vs Seattle Mariners Picks and Predictions for Sunday, August 23rd, 2026
Cubs vs Mariners Game Information
The Chicago Cubs will wrap their series Sunday in Seattle, with another game inside T-Mobile Park at 4:10 PM against the Seattle Mariners. Chicago is 18 games above .500 but comes into this matchup riding a 3-game skid after dropping both games in this set. The Seattle Mariners stay home Sunday, 6 games below .500, though they have won 3 of the last 4. For more MLB news, see our MLB Picks.
Cubs Preview
David Peterson got the ball Saturday for Chicago, giving up 2 runs on 4 hits across 6 innings, resulting in a no-decision. The Chicago bullpen was good over the next 2 innings, giving up no runs on 1 hit, before Jacob Webb came on to give up 3 runs on 3 hits after recording only 2 outs, leading to the loss. Kevin Alcantara, Tyrone Taylor, Alex Bregman, and Michael Busch carried Chicago, driving in 1 run each.
Mariners Preview
Kade Anderson got the start Saturday for Seattle, giving up 3 runs on 5 hits across 5.2 innings. The Seattle bullpen was fantastic, giving up 1 run on 2 hits over the next 2.1 innings before Michael Rucker came on to give up no runs on no hits across the last inning to pick up the victory. Randy Arozarena led the show for the Seattle offense on Saturday with 3 hits, including 2 home runs, to drive in 3 total runs.
Cubs vs Mariners Pitching Matchup
Shota Imanaga will be on the mound Sunday for Chicago. Imanaga is 8-9 this season with a 3.77 ERA across 143.1 innings. Bryce Miller will counter for Seattle in the series finale. Miller is 4-7 this year with a 3.71 ERA across 89.2 innings.
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Cubs vs Mariners Pick
The starting pitchers are evenly matched, but Chicago has been the much stronger offensive team this season. Look for the Cubs lineup to provide Imanaga with enough run support as Chicago closes the series with a victory. Take the Cubs to get the job done Sunday in Seattle.
- Pick: Chicago Cubs -110
- Secondary: Under 7.5
- Lean: Alex Bregman
Final Score Prediction: Chicago Cubs win 4-2.
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