2024 NBA free agency: Jayson Tatum, Celtics agree to richest contract in league history, per reports Yahoo SportsSources: Celtics' Jayson Tatum agrees to 5-year, $314M deal ESPNJayson Tatum gets NBA-record $314 million extension from Celtics New York Post Jayson Tatum Gets 5-Year $315 Million Extension, Biggest Deal In NBA History TMZ