And, for the past 11 years, Michigan.
Casey and Beilein are coaches with tremendous pedigrees and professional options, and neither has fully committed himself in pursuit of the Pistons opening, league sources said.
Beilein made a decision to keep his feet planted in Ann Arbor.
The Detroit Pistons seem hell-bent in filling their vacant head coaching position as soon as possible. "But I would like. the Pistons (to) consider bringing in Isiah Thomas as their president of basketball operations".
After two conversations with the Pistons, the MI head coach announced on Twitter today that he's "excited about coaching (Michigan) next season and in the years to come".
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John Beilein is returning to the University of MI.
Beilein's current contract lasts through the 2020-21 season.
That means one year will be added to Beilein's deal after each season - essentially making it a lifetime contract to stay at the University of MI.
Beilein and MI are finalizing a contract extension, according to Brendan Quinn of The Athletic.
On Wednesday evening, after Beilein's tweet, Manuel released a statement: "We are thrilled that John Beilein will be our coach now and into the future".