Seattle Mariners shortstop Colt Emerson, who has yet to play in the major leagues, has agreed to an eight-year, $95 million extension, sources confirmed to ESPN on Tuesday.
According to Spotrac, it’s the largest contract in MLB history for a player with zero service time.
The deal, which was first reported by FanSided, will be completed Tuesday afternoon. Emerson, 20, will remain at Triple-A Tacoma, where he is hitting 5-for-14 with a home run after his first three games.
The extension includes a ninth-year team option as well as full no-trade clause, according to the report, and can reach a maximum value of $130 million.
Emerson, who is ESPN’s No. 6 prospect for 2026, slashed .285/.383/.458 with 16 home runs and 78 RBIs at three levels last season, from Class A to Triple-A.
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