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Mason Pline has played for three clubs since 2024, the last of them the Chiefs (June–August 2026). Along the way: waived, released and re-signed by the 49ers within two days in August 2024, placed on injured reserve once and claimed off waivers once; most recently released through waivers by the Chiefs on August 31, 2026.

Draft data: Pro Football Reference

• Mon, Aug 31, 2026Terminated Via Waivers, all contractsChiefs → free agent
• Sun, Aug 30, 2026Waived, No RecallChiefs
• Wed, Jun 17, 2026Free Agent SigningChiefs
• Wed, Aug 13, 2025Reserve/Injured from Waived/Injured; Not Against 90Saints
• Tue, Aug 12, 2025Waived, Injured, Prior to Cut to 53Saints
• Tue, Aug 5, 2025Assigned via Waivers49ers → Saints
• Mon, Aug 4, 2025Waived, No Recall49ers
• Wed, Aug 28, 2024Terminated Via Waivers, all contracts49ers → free agent
• Wed, Aug 28, 2024Practice Squad49ers
• Tue, Aug 27, 2024Waived, No Recall49ers