Henson, a 6'11" forward from North Carolina, averaged 13.7 points, 9.9 rebounds, and 2.9 blocks a game during his junior season with the Tar Heels.
Henson has a 7'6" wingspan but their are concerns about his weight being at only 220 pounds, and his limited offensive skills.
The Bucks add another big man to help their defense a day after they acquired center Samuel Dalembert from Houston.
In the second round MIlwaukee selected Kentucky guard Doron Lamb, the top three point shooter in school history at 47.5%. Lamb averaged 13.1 points a game over the past two seasons with the Wildcats.