Docs Website

53 Years Strong! A Trusted Leader In Sports Picks, Best Bets and Predictions Since 1971.

Main Menu

2025 Seattle Mariners Predictions with World Series Odds and Season Win Total Picks

by Ryan Cobbett - 2/26/2025

Seattle Mariners predictions Logan Gilbert

The Seattle Mariners 2024 season went all the way down to the wire but finished in a disappointing way. The team rallied to go 8-2 over their final 10 games of the regular season and finished with a four-game winning streak, but their efforts came up just short as they missed the postseason, finishing just one game behind the Detroit Tigers and Kansas City Royals. At 85-77, the Mariners finished five games worse than their expected record of 90-72.

Julio Rodriguez was the star of the team night in and night out, but it was his catcher, Cal Raleigh, who led the team with a 4.6 WAR. Raleigh led the way with 34 homeruns and 100 RBIs despite hitting just .220. Rodriguez finished right behind him with a 4.3 WAR, finishing in the 20/20 club, hitting 20 homeruns and stealing 24 bases. He also finished second on the team with 68 RBIs and led the way with 76 runs. Dylan Moore led the team with 32 stolen bases, while Victor Robles finished second on the team with 30. Luke Raley joined Raleigh and Rodriguez as the only Mariners players to hit more than 20 homeruns. Despite having one of the best rotations in the game, their lineup just could not get them to the postseason. As a team, Seattle ranked 21st runs, 22nd in OPS, 29th in hits, and they struck out more than any other team last season.

Their pitching staff was stacked and finished in a first place with the Atlanta Braves with a 3.49 Team ERA. They led the league with a 1.08 WHIP and were the only club to walk less than 400 batters last season (369). The Mariners had all five starters record more than 120 innings and had every single starter with a sub-3.65 ERA. Bryce Miller led the rotation with a 3.4 WAR as he posted a 2.94 ERA and a 0.98 WHIP across 180.1 innings. Logan Gilbert led the team with 208.2 innings pitched, 22 quality starts, and led the rotation with a 9.5 K/9 ratio. George Kirby, Luis Castillo, and Bryan Woo rounded out the rotation by combining for a 6.1 WAR. Andres Munoz was absolutely dominant out of the bullpen, as he recorded 22 saves and a 2.12 ERA through 59.1 innings of work.

Seattle Mariners Key Additions/Losses

After the end of the season, the Mariners lost Luis Urias, Justin Turner, and Yimi Garcia to free agency. The team also non-tendered JT Chargois, Austin Voth, Sam Haggerty, and Josh Rojas, which creates some questions about the depth of Seattle heading into the new season.

The Mariners added Donovan Solano and Jorge Polanco to the big-league roster, while they took fliers on Trevor Gott, Rowdy Tellez, Neftali Feliz, Shintaro Fujinami, and Drew Pomeranz, signing them to minor league deals. All in all, it was an incredibly quiet offseason for Seattle.

Doc’s Sports offers MLB expert picks for every game on our baseball predictions page.

Seattle Mariners Prospect Outlook

Seattle’s farm system is one of the best in the business. They rank seventh in the MLB, as they have seven prospects ranked in the MLB’s Top 100 Prospects rankings. Infielder Colt Emerson is the highest rated prospect in the Mariners system and is the 20th ranked prospect in the MLB. He is followed by outfielder Lazaro Montes (42nd), infielder Cole Young (49th), catcher Harry Ford (65th), shortstop Felnin Celesten (74th), outfielder Jonny Farmelo (96th), and infielder Michael Arroyo (98th). Young and Ford are expected to have an immediate impact with the Mariners this season, while most of the prospects listed here are a year or two away from making the big-league roster.

Seattle Mariners X-Factors

Their Bats- The Mariners have one of the best starting rotations in the MLB. And that alone will put them in playoff contention. However, what takes this team from good to great is the performance of their bats. Rodriguez is their only consistent bat. Randy Arozarena, Raleigh, Raley, Mitch Garver, and Polanco all have the potential to be above average bats, but they have not been consistent throughout their careers. Seattle could benefit from trading some of their prospects for another bat or two in order to boost the potential of this lineup. However, the lineup in its current state could perform better than people expect it too, but there is no doubt that the Mariners should be keeping close tabs on any power bats that become available. A trade for Vladimir Gurrero Jr. could be huge for Seattle’s lineup, and they have the prospects to pull it off.

The Bullpen- Munoz has some electric stuff and is coming off a career high 22 saves off a career best 2.12 ERA across 59.1 innings. Trent Thornton appeared in 71 games, which set a new career high, Collin Snider set a career high with 41.2 innings while posting an elite 1.94 ERA last season, and Tayler Saucedo posted a career best 3.49 ERA. All this is great from last season, but aside from Munoz, this bullpen lacks established arms. There is always high variability in a relievers performance from year to year, so it remains to be seen just how reliable this bullpen can be.

Seattle Mariners Expectations

Across the league, people expect the Mariners to be in the mix for the AL West crown and a playoff spot. Their rotation alone could get them to the postseason, and they have the farm system to pull off some incredibly impactful moves. The Astros seem to be walking on incredibly thin ice, as they lack depth and are heavily reliant on an ageing and shrinking core. The Rangers are getting healthy, but Seattle showcases that incredibly deep rotation that could shut down any lineup in the league. Seattle should improve from their win total last season and eclipse the 90-win mark. It is no guarantee that they are able to keep this starting rotation intact for long, so expect them to pull off some surprise moves in order to win now.

Seattle Mariners Notable Odds:

Win Total: 84.5

World Series Champions- +2600

Pennant Winners- +1000

Division Winners- +200

AL MVP- Julio Rodriguez +2000

AL MVP- Cal Raleigh +5500

AL Cy Young- Logan Gilbert +1200

AL Cy Young- George Kirby +2200

AL Cy Young- Luis Castillo +3300

AL Cy Young- Bryan Woo +3300

AL Cy Young- Bryce Miller +3500

2025 Seattle Mariners Predictions

Yes, you did read that right. All five of the starting pitchers for the Seattle Mariners are ranked inside the top 22 for the best odds to win the AL Cy Young Award. Though that is an incredible feat and truly shines a light on the incredibly high ceiling of this rotation, that could be higher than the Dodgers, Gilbert and Kirby seem to be the most realistic options. Gilbert will be penciled in as the Opening Day starter and currently has the fifth best odds to win the award. A injury-prone Jacob deGrom and an unproven Garrett Crochet and Cole Ragans find themselves with better odds than Gilbert, which gives the Mariners ace incredible value here as he could very well be the second best pitcher, behind Tarik Skubal, heading into the season. While Gilbert absolutely has the potential to win the Cy Young, Rodriguez is a dark horse in the AL MVP race. He has a very similar skillset to that of former MVP Ronald Acuna, but Rodriguez has just lacked consistency. As for the team futures, I like Seattle to win this division this season and be a real threat to dethrone the New York Yankees as American League champs. Expect the Mariners to exceed their projected win total. Seattle seems like the best value pick heading into the season with a dark horse MVP candidate, a solid Cy Young candidate, and they have the most complete roster in the AL West and the second-best rotation in baseball.

Get MLB picks on every single game, or if you want our very best bet premium picks by the experts, sign up for your free $60 account with a guarantee.

 

Most Recent Baseball Handicapping

One E-mail A Week Is All You Need!
Our weekly newsletter is loaded with exclusive free picks,insight and advice from our expert handicappers