SEATTLE — The gates have opened at Peoria, the gloves are popping under the Arizona sun, and expectations in the Pacific Northwest have never felt heavier. As the Seattle Mariners officially take the field for Spring Training, one of baseball’s most plugged-in insiders has delivered a statement that is already echoing across the American League: this is the most complete team in the AL right now.

That bold proclamation came from Jon Morosi, who told Seattle Sports’ Wyman and Bob that in a league without a clear juggernaut, the Mariners may be the club best positioned to seize control of October. And in a year where the National League still casts a long shadow thanks to the powerhouse Los Angeles Dodgers, Morosi believes the AL landscape is wide open — and ripe for Seattle to claim.

“I really think that in the American League there is not a single dominant team like the Dodgers, so there is space for a team like the Mariners to step in,” Morosi said. It wasn’t just commentary. It was a declaration.

Coming off a dramatic 2025 campaign that saw them push deep into October, the Mariners have doubled down rather than stood pat. The front office, led by president of baseball operations Jerry Dipoto and general manager Justin Hollander, made calculated moves designed not for headlines, but for balance. The addition of versatile infielder Brendan Donovan and the decision to retain slugging first baseman Josh Naylor have reinforced a lineup already powered by a fearless young core.

And then there’s the image that still lingers from last October: catcher Cal Raleigh launching a thunderous home run during Game 5 of the ALCS at T-Mobile Park, igniting the crowd and reminding the baseball world that Seattle is no longer satisfied with merely contending. They expect to finish.

Yet completeness is not about star power alone. It is about addressing weaknesses before they become fatal. In 2025, the Mariners’ bullpen — particularly from the left side — showed cracks under postseason pressure. Gabe Speier often stood alone as the primary southpaw option, and the strain was evident when the ALCS intensity peaked. Seattle responded aggressively.

The Mariners shipped top prospect Harry Ford to Washington in exchange for hard-throwing left-hander José Ferrer, a move that signaled urgency. Ferrer’s fastball adds bite to a bullpen that needed portside firepower. On the right side, Seattle bolstered depth by bringing in low-risk arms like Dane Dunning and Gabe Prosser, betting on development and fit rather than splashy spending.

Morosi was quick to emphasize that bullpen refinement is often an in-season evolution. “That is typically the thing that you can address as the season gets underway,” he noted, highlighting Dipoto and Hollander’s track record of transforming under-the-radar arms into late-season weapons. The Mariners’ front office has made a habit of finding value where others see filler.

The Donovan acquisition, however, may be the most fascinating piece of the puzzle. Acquired from the St. Louis Cardinals, Donovan brings positional flexibility and on-base consistency — traits that can tilt tight postseason games. But where he plays remains a compelling subplot. Historically a second baseman, Donovan is expected to open the year at third base.

“I find it a little interesting the idea that he’s gonna start the year at least playing third base,” Morosi admitted. It’s not a criticism — more an acknowledgment of adaptation. Spring Training, after all, is where roles crystallize. Donovan’s versatility is precisely why Seattle pursued him. The Mariners believe repetition and preparation will smooth the transition before Opening Day.

Beyond roster mechanics, there is something harder to quantify building in Seattle: belief. For years, the franchise flirted with promise but stumbled at the final hurdle. Now, the roster feels layered. The lineup blends patience and power. The rotation offers both youth and resilience. The bullpen, once questioned, has been strategically reinforced.

Meanwhile, rivals face uncertainty. Morosi pointed out lingering questions surrounding the Toronto Blue Jays, suggesting they may not be stronger than they were when last season ended. Without a runaway favorite in the AL, margins shrink — and balance becomes everything.

That balance is why Morosi’s assessment carries weight. He did not call Seattle flashy. He called them complete. In a postseason defined by depth, adaptability, and execution under pressure, completeness is the most dangerous trait of all.

As players stretch and drills begin in Peoria, optimism hums beneath the surface. This is not a rebuild. This is not a hopeful experiment. This is a roster engineered with October in mind.

The American League throne is unclaimed. The path is open. And if Morosi is right, the Mariners are not merely contenders — they are the standard others must now measure themselves against.