The Jazz have taken the lead in their pursuit of trading for Al Jefferson.

Sources told ESPN.com that the Jazz and Timberwolves are engaged in serious discussions on a deal that would slot Jefferson's contract into the $14 million trade exception.

Minnesota wants multiple first round picks and no additional salary in exchange for Jefferson.

The Dallas Mavericks were widely believed to be the most serious suitor for Jefferson in recent days, but the sides have been unable to agree on the terms of a deal.