The Seattle Mariners have reached an agreement on a substantial contract with their top prospect, Colt Emerson. A person familiar with the negotiations confirmed to The Associated Press on Tuesday that the deal is worth $95 million over eight years.

Historic Contract for Unproven Talent

Record-Breaking Terms

This agreement is notable as it represents the largest contract ever awarded to a player who has not yet made their major league debut. The contract structure begins this current season and includes a team option that extends through the 2034 season.

Emerson's Background and Prospect Status

Colt Emerson, a 20-year-old shortstop, was the Mariners' first-round selection, taken 22nd overall in the 2023 amateur draft. Prior to this season, Baseball America ranked him as the nation's No. 7 overall prospect.

Recent Performance Metrics

Emerson has shown flashes of potential in recent appearances. During his time with Triple-A Tacoma, he posted impressive numbers, batting .357 with one home run and a double.

Minor and Spring Training Statistics

His performance in the minor leagues included an exceptional 1.000 on-base percentage plus slugging (OPS) across three games for Tacoma. Furthermore, Emerson participated in 18 spring training games for the Mariners.

In those exhibition games, he recorded a .268 batting average, hitting two home runs and driving in eight runs, finishing with an .828 OPS. The accompanying photo shows Emerson, wearing number 85, forcing out a runner at second base during a spring training game against the Chicago White Sox on February 24, 2026, in Peoria, Arizona.