Grades for every NBA free agent signing, extension: Jonathan Kuminga, Bennedict Mathurin and more

We're grading the biggest free agent signings and extensions, including DeMar DeRozan signing with the Nuggets.

The top 3

  1. Largest Total Contract Values in NBA History: Jayson Tatum's 5-year, $313 million deal (2024) is the largest in NBA history by total value, followed by Jaylen Brown's $304 million (2023) and Shai Gilgeous-Alexander's $285 million (2025).
  2. Highest Average Annual Values in NBA History: Devin Booker leads with a $72.5 million average annual value from his 2025 extension, followed by Shai Gilgeous-Alexander at $71.25 million and Jayson Tatum at $62.8 million.
  3. Most Lucrative Rookie Scale Extensions: Paolo Banchero and Jalen Williams both secured 5-year, $287 million max rookie extensions in 2025, while Cade Cunningham and Evan Mobley each signed 5-year, $269 million extensions in 2024.

Sources

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