TJ Leaf has announced he will leave UCLA for the 2017 NBA Draft.

"This was a huge decision for me and my family," Leaf said Thursday. "It was definitely one of the hardest decisions in my life.

"This was the most fun year of basketball I've had in my entire life, and I will definitely miss it. But, I cannot wait to start my new journey."

Leaf averaged 16.3 points and 8.2 rebounds.

Leaf is expected to be a mid-first round selection.

Lauri Markkanen has announced he will leave Arizona for the NBA Draft.

Markkanen is expected to be a top-10 pick in the draft.

Markkanen averaged 15.6 points and 7.2 rebounds for the Wildcats while shooting 42.3 percent on three-pointers.

Dennis Smith will leave N.C. State after his freshman season to declare for the 2017 NBA Draft.

"It's always been my dream to try and play in the NBA," Smith told ESPN's Paul Biancardi. "The timing is perfect for me and my family to make this decision. I want to thank all my teammates, coaches and the fans of NC State. I am thankful for Coach [Mark] Gottfried and all that he has done for me."

Smith averaged 18.1 points, 6.2 assists and 4.6 rebounds per game.

Smith is expected to be a top-10 pick in the draft.

Harry Giles has announced he will declare for the 2017 NBA Draft after one season at Duke.

Giles is expected to be a mid-first round pick. Giles was previously considered a probable top-5 pick in this draft class before suffering a number of injuries.

Giles tore the ACL in his right knee when a high school senior and then underwent left knee surgery in October, which limited his appearances with Duke.

Giles averaged 3.9 points and 3.8 rebounds in 11.5 minutes with Duke.

Drew Eubanks will declare for the 2017 NBA Draft but not hire an agent.

Eubanks averaged 14.5 points, 8.3 rebounds and 2.2 blocks in 32 games this season for Oregon State.

Eubanks is projected to go 42nd overall in Draft Express' mock draft for 2018.

Jonathan Isaac has announced his decision to leave Florida State for the 2017 NBA Draft.

Isaac posted his announcement on Instagram while thanking the fans of Florida State.

Isaac is expected to be a top-10 pick as he's one of the more versatile forwards in the draft class.

Jayson Tatum will leave Duke after his sophomore season to enter the NBA.

Tatum is expected to be a top-10 pick.

Tatum will hire an agent.

"I have absolutely loved coaching Jayson Tatum," said Mike Krzyzewski. "His skill set and work ethic will make him a star in the NBA. Whichever team selects him will be getting a humble, thoughtful and talented young man whom we are proud to call a member of the Duke basketball brotherhood."

Ivan Rabb will leave Cal after his sophomore season to declare for the 2017 NBA Draft.

Rabb has no intention of withdrawing his name this year.

"Cal meant a lot to me. My two years at Cal was a huge learning experience both on and off of the court," Rabb said.

Rabb is expected to be a first round pick.

Omer Yurtseven told Scout.com on Tuesday that he will declare for the draft but left open the possibility of returning to N.C. State next season.

Yurtseven, a 7-footer from Turkey, had a difficult freshman season. He missed the first nine games of the season after the NCAA reviewed his amateur eligibility. He had played the previous three seasons for a pro club in Turkey before committing to the Wolfpack last May.

Yurtseven was projected by some NBA draft sites as a first-round pick before the season started.

Markelle Fultz has announced he will declare for the 2017 NBA Draft.

"What's up Husky fans? Markelle Fultz here. I just wanted to say it's been an honor to play in front of you guys and I really appreciate all of the support you guys have given me," said Fultz in a video on his Twitter feed.

"After sitting down with my mom and the coaching staff, I have made the decision to enter the NBA draft."

Fultz is expected to be the first or second selection in the draft.