Los Angeles Dodgers vs Seattle Mariners Picks & Predictions for Sunday, September 28, 2025

By: Kim Smith Published 09/28/2025, 12:10 AM ET
Seattle Mariners
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The Los Angeles Dodgers (91-67, 1st in NL West) and Seattle Mariners (91-67, 1st in AL West) conclude their high-profile interleague series at T-Mobile Park, a fitting finale to a weekend that feels like a playoff preview. This rivalry matchup, charged with postseason stakes, pits two division champions vying for momentum and home-field advantage in October. With the Dodgers’ star-laden lineup led by Shohei Ohtani facing the Mariners’ pitching juggernaut and Cal Raleigh’s historic power, this game is a battle of contrasting strengths. Our free MLB picks weave the narrative and data to uncover the best betting strategies.

The Storyline

This Dodgers-Mariners finale is a clash of baseball titans, a showcase of championship pedigree as both teams prepare for deep playoff runs. Seattle, on a 17-1 home tear, aims to cap their AL West title with a statement win, fueled by Cal Raleigh’s chase for a 60th homer. The Dodgers, fresh off their 2024 World Series triumph, look to assert their dominance on the road and silence T-Mobile’s raucous crowd, with Ohtani’s MVP-caliber season (55 HR) as their trump card. The narrative centers on whether LA’s relentless offense can crack Seattle’s elite pitching in a park that favors hurlers, making this a must-watch for playoff implications and bragging rights.

Matchup Breakdown

  • Team Strengths/Weaknesses: The Dodgers’ offense is a powerhouse (.254 AVG, .750 OPS, 765 runs), driven by Ohtani (.290 AVG, 55 HR) and Freddie Freeman (.295 AVG, 90 RBI), but their bullpen (3.80 ERA) is shaky due to injuries (Evan Phillips, forearm). Seattle’s pitching (3.85 ERA, 1.22 WHIP) is their backbone, with a top-5 bullpen (3.40 ERA, 41 saves). Their offense (.244 AVG, .740 OPS) leans on Raleigh (.266 AVG, 59 HR) and Julio RodrĂ­guez (.269 AVG, 28 HR), but struggles against elite right-handers like LA’s starter.
  • Key Positional Battles: Ohtani and Mookie Betts (.260 AVG, 19 HR) face Seattle’s Bryce Miller, who’s 1-0 with a 2.80 ERA vs. LA in 2025. Seattle’s Raleigh and RodrĂ­guez test LA’s Landon Knack, who’s 0-0 with a 3.50 ERA against Seattle. The Dodgers’ lineup depth gives them an offensive edge, but Seattle’s pitching and home-field advantage keep it close.

Odds & Public Perception

  • Opening Line vs. Current Line: Opened at Dodgers -130, Mariners +110; now Dodgers -125 (56%), Mariners +105 (49%). Run line: Dodgers -1.5 (+135, ~43%), Mariners +1.5 (-160, ~62%). Total: Over 7.5 (-110, ~52%), Under 7.5 (-110, ~52%).
  • Public vs. Sharp Money: Public money is on the Dodgers (65% of ML bets), driven by Ohtani’s star power and LA’s 38-40 road record. Sharps favor the Mariners’ +1.5 and under, citing T-Mobile’s pitcher-friendly dimensions and Seattle’s 52-27 home record.

Betting Strategy

This is a pitcher’s duel with underdog value. T-Mobile Park’s deep fences and Seattle’s elite pitching (3.85 ERA) make the under a strong play, especially with both starters excelling. The Dodgers’ -125 ML is tempting but lacks value given Seattle’s home dominance (17-1 in last 18). The Mariners’ +1.5 run line is a sharp bet, as they’ve kept games close against top teams. Live betting could capitalize on early scoring against Knack, with Seattle’s bullpen (3.40 ERA) likely to clamp down late.

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Picks For Dodgers vs Mariners

  1. Mariners +1.5 (-160): Seattle’s 52-27 home record, Miller’s 3.53 ERA, and 17-1 recent home stretch make them a safe bet to stay within a run. The Dodgers’ bullpen struggles (3.80 ERA) and Seattle’s 8-2 record vs. winning teams at home since August support this pick.
  2. Under 7.5 Total Runs (-110): T-Mobile’s pitcher-friendly setup, Miller’s 1.18 WHIP, and Knack’s 3.60 ERA point to a low-scoring game. Both teams’ low strikeout rates (Dodgers 7.8 K/game, Mariners 7.9) and 4 of 6 interleague games in 2025 staying under 8 runs back the under.
  3. Shohei Ohtani Over 1.5 Hits + Runs + RBI (-120): Ohtani’s .290 AVG, 55 HR, and .350 clip vs. right-handers like Miller make this a prime prop. His 4-for-9 mark with a homer against Seattle this season and hot September (.330 AVG) ensure he’ll contribute significantly.

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