Despite being one of the more passive teams this offseason and doing little to improve the roster at the big-league level, the Seattle Mariners' farm system is poised to remain one of the best in the business.
With the start of the minor league season just around the corner, MLB Pipeline recently updated their list of top 30 prospects for each organization. While the Mariners' top names have more or less maintained their spots from the previous year, that can't be said for everyone.
Here are the three biggest surprises to come out of MLB Pipeline's 2025 rankings for the Mariners' top prospects.