Butler doesn't want an extension from the Timberwolves and is apparently fed up with the nonchalant attitudes of his younger teammates.
Rose began last season in Cleveland but was traded to Utah before eventually landing in Minnesota.
Crawford, an 18-year veteran, has won the NBA Sixth Man of the Year award three times in his career.
The 2018 NBA Draft is in the books, here we recap the entire first round.
The Timberwolves finished last season with a 47-35 record and made the playoffs for the first time since 2003-04.
Jamal Crawford declined a $4.5 million player option from the Timberwolves and will now become a free agent.
Towns, who made his first All-Star appearance in 2017-18, averaged 21.3 points and 12.3 rebounds per game last season.
Minnesota is interested in re-signing Derrick Rose, who signed a one-year, $2.1 million contract in March.
Brunson reportedly is facing allegations of "improper interactions with several women while on the job."
Wiggins averaged 17.7 points per game, shot 43.8 percent and knocked down 33.1 percent of his 3-point attempts in 2017-18.