The Timberwolves are in a tight race with Portland for fourth place and home-court advantage in a first-round Western Conference playoff series. Minnesota is currently percentage points behind the Trail Blazers, who have two games in hand.
Minnesota has won three straight games, including a 101-94 overtime triumph at San Antonio on Friday.
Miami has lost nine of 11, including a 96-74 blowout loss to Orlando on Sunday.
Minnesota has won three in a row over Miami, which hosts the Timberwolves on Friday.