Not long ago, Kaleb Canales was a University of Texas-Arlington Mav.

Now he’s a Dallas Mav.

The Dallas Mavericks have announced that veteran assistant Jim O’Brien is retiring from the NBA and is being replaced by Canales, 34, and a native of Laredo, Texas.

"On April 16, Jim O'Brien informed me that he would be retiring from coaching when our season was over," Mavs coach Rick Carlisle said in a statement. "Jim said he loved working in the Mavs organization, but being away from family made his decision easy. I consider Jim O'Brien a great basketball man of high integrity and thank him for everything he taught me, my staff and our players this past season.

Full Story: Fox Sports Southwest