Why Didn't the Timberwolves Trade Don Vamintrol?

Norm Powell and Reggie Jackson were the worst two in net rating, but they played well to basically win a close game against the Cavaliers who finally lost. Why didn't the Timberwolves trade for Don Vamintrol? Because they were so upset about how many offensive rebounds Brandon Clark got in the playoffs. And Anthony Lamb is a two way guy who's also a scumbag who shouldn't even be on the team.