He had not practiced with the team so far this season after requesting a trade three weeks ago.
Butler was reportedly vociferous and emotional at times in targeting Tom Thibodeau, Scott Layden, Karl-Anthony Towns and Andrew Wiggins.
The rest of the interview will go into his summer in greater detail and will be featured on ESPN throughout the night, but you'll probably see the most important parts on social media anyways.
His return to practice, some opposing GMs believe, is Butler's way of avoiding any missed paychecks - as opposed to rescinding his trade offer. And it looks like he's just getting started.
All-Star Jimmy Butler participated in the Minnesota Timberwolves' practice on Wednesday, a session that included him verbally challenging teammates, coaches and front office executives, league sources told ESPN. Coaches and players were largely speechless at Butler's tour de force throughout the workout, league sources said.
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After a proposed Butler trade fell apart over the weekend, the Miami Heat remain interested in restarting talks with Minnesota to acquire Butler, league sources told ESPN earlier on Wednesday.
Outside of the Heat, the Timberwolves have had no serious, active talks ongoing with any other team recently, league sources said.
A report emerged on Tuesday that the day before, he met with Tom Thibodeau for a third time to make it clear his desire to be traded. "You can't win without me". He dominated the gym in every way. The Heat and president Pat Riley were "as aggressive as any team in pursuit of a Jimmy Butler trade", per Wojnarowski.
The Los Angeles Clippers and Houston Rockets also haven't given up on the idea of landing Butler in a trade, according to multiple sources and reports.
At one point, Butler found himself guarding Towns in the post.