Celtics' Jaylen Brown agrees to richest deal in NBA history: report

Fox News Flash top sports headlines are here. Check out what's clicking on Foxnews.com.

The Boston Celtics will continue building around their two young stars after Jaylen Brown agreed to a contract extension on Tuesday. 

Brown has agreed to sign a five-year, $304 million supermax contract extension, Brown’s agent told ESPN. 

Jayson Tatum, #0, and Jaylen Brown, #7 of the Boston Celtics, look on during Game Two of the Eastern Conference Finals against the Miami Heat on May 19, 2023 at the TD Garden in Boston. (Nathaniel S. Butler/NBAE via Getty Images)

The deal will keep Brown under contract through the 2028-29 NBA season and is the richest deal in NBA history, per ESPN. 

LEBRON JAMES' SON, BRONNY, SUFFERS 'CARDIAC ARREST,' FAMILY SPOKESPERSON SAYS

Brown became eligible for the supermax extension after making the All-NBA second team during the 2022-23 season. 

Brown was drafted by the Celtics with the third pick of the 2016 NBA Draft and has made the playoffs in each of his seven seasons. 

Jaylen Brown, #7 of the Boston Celtics, shoots a free throw during round 3 game 6 of the Eastern Conference Finals against the Miami Heat on May 27, 2023 at the Kaseya Center in Miami. (Jesse D. Garrabrant/NBAE via Getty Images)

Last season, Brown averaged career-highs in points (26.6 per game) and rebounds (6.9 per game) as Boston advanced to the Eastern Conference Finals for the second consecutive season. 

CLICK HERE FOR MORE SPORTS COVERAGE ON FOXNEWS.COM

Brown is a two-time All-Star and has averaged 17.9 points, 5.2 rebounds and 2.2 assists per game in his career. 

Brown and Jayson Tatum have become one of the best duos in all the NBA, coming within two wins of an NBA championship during the 2021-22 season.

Tatum is