Before you set your PGA DFS lineups on sites like DraftKings and FanDuel for the 2019 Safeway Open, you need to hear what Mike McClure has to say. McClure is a DFS pro with nearly $2 million in career winnings, and he's been red-hot on his PGA Tour picks.

Earlier this month at the Greenbrier Classic, McClure rostered Joaquin Niemann on FanDuel and DraftKings. The result: Niemann fired four rounds of 68 or under on his way to a score of 21-under and a first-place finish. Anybody who had him in their lineup was well on their way to a HUGE weekend.

Now, he's set his sights on the 2019 Safeway Open and revealed his optimal PGA DFS lineups. They're a must-see for any PGA DFS player.

One player McClure is rostering this week: Collin Morikawa at $10,600 on FanDuel and $9,400 on DraftKings. McClure's optimal PGA DFS lineup also includes Justin Thomas ($12,200 on FanDuel, $11,600 on DraftKings), who's finished inside the top 12 in five consecutive starts on the PGA Tour.

McClure is also targeting an undervalued player who's primed to blow up this week, giving you a HUGE return on both sites! Picks like these could be the difference between winning your PGA DFS contests or going home with nothing. You ABSOLUTELY need to see who it is before locking in any lineups.

So what 2019 Safeway Open lineups should you enter on DraftKings and FanDuel? And which undervalued player is a MUST-ROSTER? ... Join SportsLine here to see the optimal PGA DFS lineups for the 2019 Safeway Open, all from the man who's made nearly $2 million in daily fantasy sports!