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MLB Debuts Seen
6 players
Kade Anderson
Cubs @ Mariners · Aug 22, 2026 · T-Mobile Park
Juan Burgos
Royals @ Mariners · Jul 1, 2025 · T-Mobile Park
Danny Young
Phillies @ Mariners · May 9, 2022 · T-Mobile Park
Francisco Morales
Phillies @ Mariners · May 9, 2022 · T-Mobile Park
Cal Raleigh
Angels @ Mariners · Jul 11, 2021 · T-Mobile Park
Tim Lopes
Rangers @ Mariners · Jul 24, 2019 · T-Mobile Park