MLB · Storyline · team change · 2026

Kade Anderson called up by the Seattle Mariners

SETTLED

Kade Anderson was called up by the Seattle Mariners (call_up) — official Aug 22, 2026.

official · official_transactions:358307 · effective Aug 22, 2026 · 1 independent source chain

As of Sep 10, 2026

What we know

team membership — Seattle Mariners (via call_up)

official · official_transactions:358307 · effective Aug 22, 2026

Aug 22, 2026official
Designated LHP Jhonathan Díaz for assignment. Selected the contract of LHP Kade Anderson from Arkansas (TL).
MLB official transactions
Aug 22, 2026official
Designated LHP Jhonathan Díaz for assignment. Selected the contract of LHP Kade Anderson from Arkansas (TL).
MLB official transactions
Aug 24, 2026reported
Kade Anderson debut shifts focus to Mariners' stretch rotation
→ our coverage
Aug 25, 2026reported
Buster Olney podcast surveys MLB's late-August storylines
→ our coverage
Sep 8, 2026reported
Gwen interviews Kade Anderson for Mariners Kids Club
→ our coverage
Sep 9, 2026reported
Gwen interviews Kade Anderson for BECU Kids Club
→ our coverage
Sep 9, 2026reported
Kade Anderson gets Game 2 start
→ our coverage
Sep 10, 2026reported
Kade Anderson earns first major league win
→ our coverage
Aug 22, 2026settled
team_membership recorded: Seattle Mariners (call_up)
official_transactions:358307

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Reflects verified claims and official transactions through Oct 9, 2026.