Celtics agree to five-year max extension with Jayson Tatum

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The Celtics offseason has been full of twists and turns already but they achieved their top priority on Sunday when reaching a five-year max extension with Jayson Tatum that could be worth up to $195 million depending on the incentives reached, according to multiple league sources. Adrian Wojnarowski of ESPN.com was first to the extension.

Tatum, 22, averaged career-highs of 23.4 points, 7.0 rebounds, 3.0 assists and 1.4 steals last season for Boston while being selected as an All-Star for the first time in his career. The extension will kick in for the 2021-22 season, ensuring that Tatum remains in Boston through 2024-25.

BSJ Analysis

Tatum getting a max deal has been a mere formality since the beginning of this year amid his breakout performance but the Celtics did take a slight hit on this max deal when Tatum opted for a player option in his fifth year rather than being locked into Boston for all five years of the deal.

The baseline numbers for the contract. Tatum is guaranteed $163 million over five years with the following base salaries starting in 2021.

Standard five-year max for Jayson Tatum worth $163 million (25 percent of cap)

2021-22: $28 million
2022-23: $30.4 million
2023-24: $32.6 million
2024-25: $34.8 million
2025-26: $37.1 million

Those totals will go up to a higher max of $195 million over five years (30 percent of the cap) if Tatum makes any of the All-NBA teams during the 2020-21 season based on Celtics using the Rose Rule to provides Tatum with additional incentives. Here are those figures

2021-22: $33.4 million
2022-23: $36.1 million
2023-24: $39 million
2024-25: $42.1 million
2025-26: $45.5 million

 Tatum becomes the third rookie in the 2017 draft class to land a max deal this offseason along with De'Aaron Fox in Sacramento and Donovan Mitchell in Utah. Fox had his five-year deal fully guaranteed with no options but Mitchell also opted for a player option after year four. The Celtics didn't really have much margin for negotiation when it comes to giving Tatum an option for an early opt-out. Several All-Stars around the league have opted for five-year rookie extensions with fifth-year opt-outs (Kawhi Leonard, Kyrie Irving, Anthony Davis, etc.) so it's not a surprise that