By Mark Polishuk | at August 22, 2026 12:55pm CDT Kade Anderson is officially in the big leagues, as Thursday’s report of the star prospect’s impending promotion has given way to today’s announcement that the Mariners have selected Anderson’s contract. To create room on both the 26-man and 40-man rosters, Seattle designated left-hander Jhonathan Diaz for assignment. More to come… View Comments (0)
Mariners Designate Jhonathan Diaz, Select Kade Anderson
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