Big games allow for lasting memories. Fans will forever remember this Seattle Mariners postseason run. Cal’s historic moments. The long wait rewarded in Game 5 against Detroit. The thrill of the first two wins in Toronto. And Geno’s grand slam, which put them in position to go farther than ever before.

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No one can take those memories away. They were real and they were spectacular. But, unfortunately, they will be superseded by the nightmare of George Springer’s prodigious blast, which ended this season before the ultimate goal could be reached.

The Mariners aren’t the first team to experience this kind of heartache. And, in fact, Seattle fans wouldn’t need to press too hard to remember a similar feeling.

The 2012 Seahawks seemingly came out of nowhere. Their ferocious defense was just starting to show what it could do and their rookie quarterback wasn’t generating a lot of respect. But the young members of the Legion of Boom and an offense keyed by Russell Wilson and Marshawn Lynch were hitting on all cylinders by the time the playoffs rolled around. Their December was very similar to what the Mariners just did in September; they won five straight games with three massive blowouts.

After dispatching with Robert Griffin III and Washington in the wild card round, the Seahawks were poised to beat the Falcons in epic fashion. Marshawn scored from the 2-yard line and the team was 31 seconds away from going to the NFC Championship Game.

We all know what happened next. The summer started early, the Niners went to the Super Bowl, and the Hawks spent the offseason trying (and eventually succeeding) to get to the next level.

In my own sports fandom, this one for the Mariners felt a lot like the 2003 Red Sox who lost Game 7 in Yankee Stadium after manager Grady Little left Pedro Martinez in way too long, and Aaron Boone walked it off a few innings later with a home run that I remember shutting off before it ever left the yard.

In fact, this one was even more similar because of the questions regarding the in-game decision making. Little was somewhat similar to Mariners manager Dan Wilson, a well-liked skipper who brought together people in the clubhouse and empowered them to succeed, but with some questions regarding his strategic decision making and comfort with the then-burgeoning field of analytical data.

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Both losses for the Seahawks and Red Sox were excruciating. Both felt a little like the end of the world and a little like the potential beginning of a new era. And both teams won championships the next season.

So can the 2026 Mariners be the 2004 Red Sox or 2013 Seahawks? That depends on them.

After the loss in Atlanta, the Seahawks went out and got Cliff Avril and Michael Bennett to augment their already impressive pass rush led by Chris Clemons and Bruce Irvin. The new duo combined for 16.5 sacks in the regular season and added three more in the playoffs. The numbers were great, but the personality, depth and intensity they brought to the team may have mattered even more. Signing them both in the offseason was the ultimate signal of belief from the front office to the players.

After 2003, the Red Sox hired Terry Francona as manager and acquired Curt Schilling. The former won them two titles and is now widely considered among the best managers of his era, and the latter won 21 games before becoming a postseason hero. Both were renowned for the leadership and dogged determination that helped break an 86-year curse just 12 months after that disastrous night in the Bronx.

As a fan of both teams in those moments, I can tell you the sting was similar. No Seahawks fan nor Red Sox fan at that time could tell you about seeing their team hoist a trophy. But a year later, I believe many (if not most) would say the victories tasted even sweeter after the horrible endings that preceded them. They would also say the organizations recognized how close they were to being at a championship level and made the moves to get themselves over the top.

The 2026 Mariners have some big decisions to make. As of today, Josh Naylor, Eugenio Suárez and Jorge Polanco (if he wants) are all free agents. As of today, the combined salary of the two Mitches (some $28 million) comes off the books as well. I think every single Mariners fan alive would prioritize signing Naylor. But there are lots of questions that follow.

Is J.P. Crawford back for the last year of his deal? What are you going to do in right field where Victor Robles never got untracked and Dom Canzone flashed in the season but fell flat in the playoffs? When will Colt Emerson be ready? Polanco is going to get a serious raise – do you want to be the one to pay him for his age 32 season and beyond? Are Cole Young and Ben Williamson ready to play every day at second and third base?

And do you have enough pitching? Improbably, it was that, the team’s greatest strength, that most fell apart in October.

The 2013 Seahawks and 2004 Red Sox are the models. But there is also a cautionary tale.

The 2016 Baltimore Orioles won 89 games, finished second in the AL East, but lost in a dramatic wild card game. Tied in the 11th inning, Toronto’s Edwin Encarnación took Ubaldo Jiménez deep while the O’s best pitcher, reliever Zach Britton, never entered that game. Sound familiar?

The following offseason, they did next to nothing. They re-signed Mark Trumbo (yikes), traded for Seth Smith, and that was about it. Not surprisingly, 2017 did not end well. The Orioles finished 75-87, dead last in the AL East.

Let me be clear, the M’s team we just watched is a whole lot closer to the Seahawks and Red Sox than to the Orioles. They have more talent, a better farm system, a younger roster and more opportunities ahead of them. They will take a few weeks to decompress, self-scout, and start to plan for next year. And hopefully this will be, as ESPN’s Jeff Passan said this week, more of a beginning than an ending.

It is entirely up to them.

More on the Seattle Mariners

• Passan: Mariners’ playoff run ‘a beginning, not an end’
• Mariners’ Cal Raleigh breaks one last record with 65th HR of 2025
• The real reason M’s lost ALCS is about more than a pitching change
• Morosi: Two decisions stand out from Mariners’ Game 7 loss
• What They Said: Seattle Mariners after losing ALCS Game 7

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