The 2021 NFL Draft begins on Thursday, April 29 in Cleveland. The three-day event will fill a huge offseason void for NFL bettors across the country with William Hill Sportsbook offering plenty of props.

Before locking in any 2021 NFL Draft prop bets, you'll definitely want to see what R.J. White has to say.

White is uniquely qualified to help you crush your NFL Draft bets. The CBS Sports gambling and Fantasy editor has been SportsLine's No. 1 NFL expert over the past few years, returning over $2,600 on his NFL spread picks from 2017-20. 

In his time as a CBS Sports NFL editor, White was also widely recognized as one of the nation's premier NFL Draft experts. Every spring, he put together seven-round mock drafts read by millions, including trades he expects. No stone is left unturned in White's draft analysis.

This is the same expert who, very early in the 2018 draft process, bet Baker Mayfield to go No. 1 overall at 25-1! Over the past two years, White went 4-1 in 2019 and 3-2 on his top five picks in 2020. 

Last season, he hit Tua Tagovailoa to Miami (+110), C.J. Henderson Under 12.5 draft position (+150) and hit Over on total CBs in Round 1 (4.5), while saying: "I wouldn't be that shocked to see a team fall in love with someone like Bryce Hall or Damon Arnette or even Cameron Dantzler." Arnette wound up being the biggest shock of the first round, going to the Raiders at No. 19, helping that prop cash.

Now he's turned his attention to the 2021 NFL Draft and has revealed his best prop bets.

We'll give one of White's best bets away: Go over 4.5 total cornerbacks selected in the first round. That NFL Draft bet pays out at -115 (risk $115 to win $100) at William Hill.

White calls Surtain and South Carolina's Jaycee Horn locks to be taken early. He also sees Virginia Tech corner Caleb Farley, who has some concerns due to a back injury, not sliding too far. If Northwestern's Greg Newsome and Tyson Campbell of Georgia both go on Thursday, which White believes is more likely than not, that'll get it to five, with a couple other sleeper possibilities who could sneak into the first round late. 

White also several other underdog props, and is releasing a MONSTER 50-1 long shot! You ABSOLUTELY need to see his picks before locking in any NFL Draft prop selections.

What are the best NFL Draft prop bets you can make? And which prop should you hammer for a GIGANTIC 50-1 payout? ... Join SportsLine right now to see the top NFL Draft prop bets you need to jump on, all from the premier NFL Draft expert whose mock drafts are read by millions!