Building NFL DFS lineups this Monday night for the Seahawks vs. Broncos Week 1 matchup? See what SportsLine DFS guru Jacob Gibbs has to say before you lock in your picks.

Gibbs uses a data-driven approach that has helped him consistently provide accurate rankings at every position. He has proven to be one of the nation's most accurate Fantasy rankers in recent years -- posting the eighth-most accurate results over the past three seasons, according to Fantasy Pros.

For Monday, Gibbs has identified an under-the-radar value play whose price opens up your options on DraftKings showdowns. This player will allow you to slot Russell Wilson and Jerry Jeudy into your lineup with ease, and you need to see Gibbs' final build for cash and tournament play in FanDuel.

So what are the best NFL DFS cash game and tournament lineups for Week 1? ... Join SportsLine here to see DFS Guru Jacob Gibbs' complete lineups and cash big on the NFL!