If you spent any time watching the M's last year, you know the vibe. It was a season of massive, towering home runs and, well, a whole lot of walking back to the dugout with a helmet in hand. People love to complain about the strikeouts, but if you actually look at the seattle mariners batting stats from the 2025 season, there’s a much weirder story happening under the hood.
We’re talking about a team that managed to win 90 games and clinch the AL West despite having a collective batting average that would make a 1980s pitcher look like Tony Gwynn.
Honestly, the 2025 Mariners were a statistical anomaly. They finished third in all of baseball with 238 home runs. That is a massive number. For context, they were right there trailing only the Yankees and the Dodgers in the power department. But here’s the kicker: they also led the league in strikeouts for a good chunk of the year, finishing with 1,426 punchouts. It was basically "boom or bust" every single night.
The Cal Raleigh Factor
You can't talk about this lineup without starting at the catcher position. Cal Raleigh didn't just have a good year; he had a "how is this even possible" year.
He finished with 60 home runs.
Let that sink in for a second. A catcher hitting 60 bombs. He blew past Ken Griffey Jr.’s franchise record and set a new MLB high-water mark for switch-hitters. His final slash line was .247/.359/.589. While a .247 average might look "meh" to your grandpa, his .948 OPS made him an MVP finalist. He accounted for 125 RBIs, carrying the offense on his back through the gloomy Seattle May where everyone else seemed to be hitting .190.
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The Julio Rodriguez Enigma
Then there's Julio. It’s kinda funny—if you look at his season-end seattle mariners batting stats, he hit .267 with 32 homers and 31 steals. On paper, that’s an All-Star season.
But it wasn't a straight line.
- March/April: He was hovering around .210, looking lost on sliders away.
- May Surge: He slashed .286/.327/.490 and, more importantly, cut his strikeout rate from 23.7% down to 11.5% in a single month.
- Final Count: 174 hits, 106 runs scored, and 95 RBIs.
He remains the engine. When Julio is hitting line drives to the opposite field, the Mariners look like a World Series team. When he’s chasing the low-and-away dirt ball, the whole lineup stales.
Why T-Mobile Park is a Hitting Black Hole
We have to address the "Marine Layer." It’s not just a meme; it’s a statistical reality that ruins careers.
In 2025, the splits were genuinely hilarious if they weren't so frustrating for fans. At home, the Mariners had a team OPS of .672. That was 24th in the league. You go to T-Mobile Park, and the ball just dies. The "hitters eye" is asymmetrical, the air is heavy, and doubles go to die on the warning track.
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But look at the road stats:
They had a .759 OPS away from Seattle. That was the third-best road offense in Major League Baseball.
Think about that. On the road, they were an elite, juggernaut offense. At home, they were basically the 2024 White Sox. They averaged 3.9 runs per game at home compared to a whopping 5.4 on the road. It's a miracle they went 51-29 at home, and they owe every bit of that to a pitching staff that thrived in the same conditions that stifled the bats.
Looking at the Supporting Cast
The trade for Randy Arozarena felt like a massive win, and mostly, it was. He provided that "vibe" the clubhouse needed. He ended the year with 27 homers and 31 steals, though he did lead the team with 191 strikeouts. It's the price you pay for that aggressive swing.
Then you have the unexpected contributors.
- Jorge Polanco: He was the ultimate "wait, he's actually good?" player of 2025. He hit 26 homers with a .265 average.
- Dominic Canzone: Before he got banged up, he was actually leading the team in average, finishing his limited 82-game stint at exactly .300.
- J.P. Crawford: The captain remained steady. A .265 average and 74 walks. He’s the guy who sees 25 pitches a game and just ruins a starter's pitch count.
- Josh Naylor: A mid-season arrival who hit .299 in 54 games. He provided the contact bat they desperately needed to balance out the "swing and miss" profiles of Raleigh and Arozarena.
The Discipline Problem
If there is one area where the seattle mariners batting stats show a glaring weakness, it’s the K-rate.
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The team struck out 1,426 times. When you are leading the division, you can live with it because of the 238 home runs. But in the ALCS loss to Toronto, those strikeouts became an anchor. You can’t move runners over if you aren't putting the ball in play.
Interestingly, they were also top-10 in walks (544). They aren't undisciplined in the sense that they swing at everything; they just have a high "whiff-per-swing" rate. They hunt fastballs, and if they miss, they miss big.
Actionable Insights for the 2026 Season
If you're looking at how this team evolves, keep an eye on these specific metrics:
- Contact Rate on Inner-Half Fastballs: This was the Mariners' "dead zone" in 2025. If they can improve their contact rate by even 4%, the run production could jump by 50+ runs.
- The "Home/Road" Correction: The front office is likely looking for "flat-plane" hitters—guys whose swing paths aren't as affected by the Seattle air. Josh Naylor was the prototype for this.
- Strikeouts per Walk (K/BB): They finished with a 3.07 ratio. Getting that under 2.8 is the difference between a division title and a pennant.
The 2025 season proved that you can win with a high-strikeout, high-power offense, but it’s a stressful way to live. Cal Raleigh’s 60 homers masked a lot of holes, but as we head into the next cycle, the focus has to shift from "swinging for the moon" to "winning the inches" at T-Mobile Park.