Before setting your NFL DFS lineups for a preseason Week 1 matchup between the Las Vegas Raiders and Minnesota Vikings on Sunday (4:25 p.m. ET) on sites like FanDuel and DraftKings, you'll want to see what NFL and Fantasy football expert R.J. White has to say. 

If you're a regular subscriber to SportsLine, you probably know White from dominating NFL picks for years, but did you know he actually got his start in sports media as a fantasy baseball and football analyst? He even finished No. 1 among all experts for his draft rankings the first year FantasyPros tracked MLB expert accuracy on their site. White has continued to excel at season-long and dynasty Fantasy baseball and football formats, and this year he's sharing his Fantasy expertise with SportsLine subscribers. 

For Vikings vs. Raiders on Sunday, where every player on DraftKings is priced at $11,400 and every player on FanDuel is $12,000, we can tell you one of White's top picks is Vikings quarterback Kellen Mond. He's also stacking him with Vikings running back Kene Nwangwu, who played in 11 games for the Vikings during his rookie season and is fighting for a roster spot in 2022.

Gibbs is also targeting a player who could go off for MASSIVE numbers in the Raiders vs. Vikings game in preseason Week 1! This pick could be the difference between winning your tournaments and cash games or going home with nothing! You ABSOLUTELY need to see who it is before locking in any lineups.

What are the top NFL DFS picks for Vikings vs. Raiders? And which player is a MUST-ROSTER? ... Join SportsLine here to see R.J. White's top Week 1 NFL preseason picks for Sunday, all from CBS Sports' gambling and Fantasy editor!