What happened: The 45-day negotiating window for posted Japanese players will expire at 5 p.m. ET, while the window for Roh is set to close on Dec. 1 at 5 p.m. ET. Any agreements must be completed before a potential Dec. 1 lockout begins at 11:59 p.m. ET, which would halt all major league transactions.

Why it matters: With MLB's collective bargaining agreement set to expire Dec. 1, clubs face an accelerated timeline to complete international contracts before business shuts down. A work stoppage would leave posted players in limbo until a new labor pact is ratified, preventing clubs from negotiating or submitting contracts to the league office.

What to watch: Clubs must finalize agreements before the designated 5 p.m. ET deadlines or risk running directly into the Dec. 1 collective bargaining expiration.