The Cleveland Cavaliers have officially worn #19 since 2003.
The NBA announced the change on Monday and it will be officially unveiled at the league’s All-Star Game on Thursday.
The Cleveland Cavaliers will wear #17 and the Cleveland Cavaliers website, Cavs.com, will also be updated with the change.
The Cavs wore #19 during the team’s first season in the NBA in 2004-05 and wore the number until 2007-08 when they retired it.
They wore #17 during the 2010-11 season, which featured Kevin Love playing in his 1,000th career game.
They will wear the number again in 2020-21, when they begin a new four-game homestand.
The Cavaliers wore #18 during the 2016-17 season, a season in which they won the NBA Finals.
They also wore the #19 until the start of the 2017-18 season, when Kevin Love and Andrew Wiggins signed new NBA contracts.