The early-entry deadline for the 2019 NBA Draft is fast approaching with the window open until April 21 at 11:59 p.m. ET.

A few college basketball stars like Murray State's Ja Morant and Duke's RJ Barrett have already made their intentions known, but there are plenty of other potential first-round picks who are still on the fence. Which top prospects will declare as part of this year's draft class?

MORE: 13 of the most ill-timed NBA Draft early-entry decisions

NBA commissioner Adam Silver won't announce the picks until draft night on June 20, but it's never too early to see who will be available for the NBA's top tankers. Here are the underclassmen who have declared so far.

(For a better idea of where these players might land on draft night, check out SN's latest NBA Mock Draft here.)

NBA Draft 2019: Early-entry list for top prospects

Declared

Name Position College Bol Bol Center Oregon Brandon Clarke Forward Gonzaga Bruno Fernando Forward Maryland Cam Reddish Forward Duke Carsen Edwards Guard Purdue Coby White Guard North Carolina Daniel Gafford Forward Arkansas Darius Garland Guard Vanderbilt De'Andre Hunter Forward Virginia Dedric Lawson Forward Kansas Grant Williams Forward Tennessee Ja Morant Guard Murray State Jarrett Culver Guard Texas Tech Jaxson Hayes Forward Texas Jaylen Hands Guard UCLA Jordan Bone Guard Tennessee Keldon Johnson Forward Kentucky Kevin Porter Guard USC Ky Bowman Guard Boston College KZ Okpala Forward Stanford Luguentz Dort Guard Arizona State Nassir Little Forward North Carolina Nickeil Alexander-Walker Guard Virginia Tech PJ Washington Forward Kentucky RJ Barrett Guard Duke Romeo Langford Guard Indiana Rui Hachimura Forward Gonzaga Sekou Doumbouya Forward France Talen Horton-Tucker Guard Iowa State Ty Jerome Guard Virginia Tyler Herro Guard Kentucky Tyus Battle Guard Syracuse Zion Williamson Forward Duke

Returning