MLB Transactions 2026-06-21: Anthony Seigler and Chayce McDermott

14 roster moves confirmed by THE GAME NETWORK across MLB for 2026-06-21. Key moves: Anthony Seigler, Chayce McDermott.

Roster Moves

• Anthony Seigler (BOS) — added to active roster
• Chayce McDermott (LAD) — added to active roster
• Daulton Varsho (TOR) — added to active roster
• Lazaro Estrada (TOR) — added to active roster
• Michael Siani (BAL) — added to active roster
• Philip Abner (ARI) — added to active roster
• Ron Marinaccio (SD) — added to active roster
• Tim Tawa (ARI) — added to active roster
• Blake Treinen (LAD) — removed from active roster
• Brendon Little (TOR) — removed from active roster
• Charles McAdoo (TOR) — removed from active roster
• Jake Bird (NYY) — removed from active roster
• J.C. Escarra (NYY) — removed from active roster
• Michael Soroka (ARI) — removed from active roster

0 IL, 0 injury reports, 14 roster moves, 0 other.