The Los Angeles Chargers seek their first win of the 2019 NFL preseason when they host the Seattle Seahawks on Saturday, Kickoff is set for 10 p.m. ET. Seattle is a 3-point sportsbook favorite and the over-under for total points scored is 40.5 in the latest Seahawks vs. Chargers odds.  

Before you make any Seahawks vs. Chargers NFL Week 3 preseason picks, make sure you hear what SportsLine senior analyst Josh Nagel has to say. A Nevada-based handicapper with more than 20 years of experience in the sports wagering industry, Nagel has hit a whopping 61 percent of his NFL spread picks over the past two seasons.

What's more, he has had a particularly keen eye for the Seahawks, with a sterling record of 13-4 on against the spread picks involving them. Anyone who has followed him is WAY UP.

Nagel has scoured the rosters, reviewed the clubs' first two exhibition outings and made his picks for Chargers vs. Seahawks. We can tell you he's leaning Over, but he also has isolated a critical x-factor that has him going big on one side of the spread. You ABSOLUTELY need to see what it is before locking in any picks of your own. 

Who wins Saturday's Seahawks at Chargers preseason matchup? And which critical x-factor makes one side of the spread hit HARD? ... Join SportsLine right now to see which side of the Seahawks at Chargers spread to back Saturday, all from the seasoned analyst who has hit 76 percent of his picks involving Seattle!