SEATTLE -- Colt Emerson has long been viewed by the Mariners as a massive piece to their long-term plans, and the club is making an unprecedented commitment to the 20-year-old infielder before he’s even reached the Majors.
Emerson, a shortstop who is MLB Pipeline's No. 7 overall prospect, and the Mariners finalized an extension that will take him through the 2033 season, with a club option for 2034, the club announced on Tuesday.
"I am excited to play for the Mariners for a really long time,” Emerson said in a statement. “The people in the organization, including my teammates, the staff, and the Seattle fans are a big reason why my family and I love being here and want to stay here.”
The contract is expected to be worth $95 million, sources told MLB.com, surpassing the previous high for a player yet to reach the Majors set by the Brewers’ Jackson Chourio at eight years and $82 million. Emerson's deal also includes a ninth-year club option, a full no-trade clause and escalators that can bring it north of $130 million.
Contract breakdown, per MLB.com sources
- Signing bonus: $8 million
- 2026: $1 million
- 2027: $2 million
- 2028: $9 million
- 2029-2033: Ranges from $12-18 million per year
- 2034: $25 million (club option)
The key takeaway is that between the signing bonus and salary, Emerson will receive $20 million total between his service time window of zero to three years.
That’s more frontloaded than is typical for players signing extensions this early in their career. But that’s to mitigate Emerson’s salary over the back half, to allow for the Mariners to spend elsewhere as he reaches his anticipated prime.
Essentially, Emerson will earn an average of $15 million per year over the deal’s final five years -- which is a more palatable number than what a premier shortstop would earn on the open market. The club option is where it gets more expensive, and the escalators that can take the deal’s total value beyond $130 million are based on finishes in the AL MVP vote, All-Star selections and Silver Slugger Awards -- similar to Julio Rodríguez’s megadeal in 2022.
Moreover, the extension is the latest in this front office’s effort to draft, develop and retain homegrown talent.
“We're trying to make sure that we can continue to manage these types of agreements with our players as we move forward,” Mariners president of baseball operations Jerry Dipoto said. “You’ve all heard me talk about this ad nauseam -- this is part of our roster-building plan.”
If Emerson debuts this season and accrues a full year of service time, this deal would buy up his three years of pre-arbitration -- three years he would’ve been arbitration-eligible and potentially three years of free agency, if the club option is exercised.
Regardless, he’ll be under club control through at least 2033, which would take him through his age-28 season.
Emerson was the Mariners’ first-round Draft pick in 2023, at No. 22 overall, and has since skyrocketed through their farm system. He went from High-A to Triple-A last season in the Minors and earned legitimate consideration for the big league roster in Spring Training before being sent to Triple-A Tacoma at the end of camp.
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And that’s where he will remain -- for now.
The club does not want to impede Emerson’s player development, and there is no rush to accelerate him to The Show, even with veteran shortstop J.P. Crawford on the injured list with right shoulder inflammation. Crawford, whose five-year, $51 million contract expires this offseason, began a rehab assignment with Tacoma on Tuesday.
Emerson, who preferred not to hold a formal press conference, was in Tacoma’s lineup, batting third and playing third base.
Dipoto reiterated that Crawford will remain the club’s shortstop for 2026.
“That was always our plan,” Dipoto said. “It's why you saw Colt so frequently at third base in the spring, is we were preparing for that. And third base came pretty easy for Colt, and he looked great at shortstop. I think it's a huge advantage. “
Emerson has played all three infield positions in the Minors, but he's best at shortstop and has the tools to stick at the premium position. He’s long been expected to be the heir apparent to Crawford, Seattle’s longest-tenured player.
Emerson is already off to a fast start at Tacoma, hitting .357 with a 1.000 OPS over 15 plate appearances entering Tuesday, including a homer in the regular-season opener. Over three seasons in the Minors, he’s slashed .288/.398/.445 (.843 OPS) with 23 homers, 130 RBIs and 37 stolen bases.
Because Emerson is agreeing to a pre-debut deal, the Mariners will not be eligible for a Prospect Promotion Incentive (PPI) selection in next year’s MLB Draft, should Emerson go on to win the AL Rookie of the Year Award in 2026. That’s precisely what happened with Rodríguez when he won the honor in ‘22, as Seattle went on to earn a PPI pick and used it to draft Jonny Farmelo (No. 30 overall) -- just behind Emerson in that loaded class.
But the PPI consideration was somewhat of an afterthought in the Mariners’ grander logic on this one -- taking less precedent than locking up what they believe will be a franchise cornerstone long-term.
Emerson will join the likes of Rodríguez and Cal Raleigh as homegrown players that the Mariners have signed long-term extensions. But that approach from the front office has also extended to players it has accrued via trade, such as Crawford, Luis Castillo, Andrés Muñoz and Josh Naylor. They’ve also engaged Logan Gilbert and Bryan Woo about extensions.
The Mariners, who are legitimate World Series contenders, now have Emerson, Naylor, Raleigh and Rodríguez all locked up through 2030. And this list doesn’t include Cole Young, whom the club is bullish about being its long-term second baseman opposite Emerson and who’s off to a strong 2026.