Mariners sign top prospect Colt Emerson to record-breaking $95 million deal before MLB debut
Colt Emerson is considered one of the best prospects in the minors.
Seattle Mariners top prospect Colt Emerson hasn’t made his MLB debut yet, but he’s getting paid like a seasoned veteran. Emerson reportedly agreed to a massive eight-year, $95 million extension with the team Tuesday, per multiple reports. That figure is a record for a player with no MLB experience, per MLB insider Jon Heyman.
Colt Emerson, SS prodigy, and Mariners agree on $95M, 8-year deal. Emerson, 20, sets a record for player yet to debut in majors. (Konnor Griffin has a chance to break the record) @ByRobertMurray 1st — Jon Heyman (@JonHeyman) March 31, 2026 The deal reportedly contains a ninth-year option and full no-trade clause.
It can jump up to over $130 million based on various escalators, per Robert Murray of FanSided. Emerson, 20, has steadily risen up top prospect lists since 2024. Entering the 2026 MLB season, Emerson ranked as the No.
7 prospect in the game by Baseball America. He made a meteoric rise up through the minors last season, hitting . 285/.