Dodgers vs. Mariners Prediction: MLB Odds & Expert Picks for Sept. 28

Last Updated: September 28, 2025 11:12 AM EDT • 3 minute read X Social Google News Link

Seattle has been an excellent home team this season, and I’m anticipating a strong finish in front of the T-Mobile Park crowd as I make my Dodgers vs. Mariners prediction. First pitch is set for 3:10 p.m. ET (Local TV) on Sunday afternoon in Seattle.
For my MLB picks, I expect Seattle star catcher Cal Raleigh to put together another memorable day in the batter’s box, and I’m focused on the Over on one of his player props.
📊 Dodgers vs. Mariners odds
Latest MLB odds updated live in real time.
📺️ How to watch Dodgers vs. Mariners
When: Sunday, Sept. 28
First pitch: 3:10 p.m. ET
Where: T-Mobile Park (Seattle)
TV: Local TV
⚾ Dodgers vs. Mariners predictions
MLB expert picks for Sunday; odds subject to change.
- Game pick: Mariners (-108 via FanDuel) ⭐⭐⭐
- Over/Under pick: Over 8 (+100 via FanDuel) ⭐⭐⭐
- Player prop bet: Cal Raleigh Over 1.5 hits, runs, and RBI (-112 via DraftKings) ⭐⭐⭐
✅ Dodgers vs. Mariners expert pick
Track the latest MLB scores for line movement and matchup info.
🔱 Mariners ML (-108) ⭐⭐⭐
The Mariners dropped the first two games of the series, but I like the value on Seattle to avoid the sweep as one of the league’s best home teams in 2025.
Seattle has had success against left-handed pitching this season, sitting fourth in MLB in home runs and 12th in OPS against southpaws. That should serve them well against Dodgers starting pitcher Clayton Kershaw.
With the Dodgers set to open up the postseason on Tuesday, it wouldn’t be surprising if manager Dave Roberts gives some key contributors the entire game off, or at least not a full afternoon of work.
Meanwhile, Seattle will be off until next Saturday, so Mariners manager Dan Wilson might look to give his team the entire game to try and stay as sharp as possible before the postseason.
One of the best betting sites, FanDuel, offers -108 odds on Seattle to win, which would net a profit of $9.26 on a $10 bet. The -108 odds have an implied probability of 51.92%.
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💰 Dodgers vs. Mariners player prop bet
Our MLB player prop odds tool shows the best odds for every market across legal sportsbooks in your area.
⬆️ Cal Raleigh Over 1.5 hits, runs, and RBI (-112) ⭐⭐⭐

Raleigh has tormented left-handed pitching this season, slashing .284/.351/.689 with 22 home runs, 39 RBIs, and 36 runs scored in just 183 at-bats. The star catcher’s 1.040 OPS and 189 wRC+ against southpaws trails only Aaron Judge for the best mark in the league.
I anticipate Raleigh getting every opportunity to do damage as he sits two home runs shy of Judge’s American League record of 62.
A $10 bet on Raleigh’s Over yields a profit of $8.93 at DraftKings. The -112 odds have an implied probability of 52.83%. I was thrilled to see this prop offered at -112, as some of the other sports betting apps like Caesars offered it as high as -124.
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Josh Goldberg X social