The Dallas Cowboys (1-2) will visit the New York Giants (1-2) on Thursday Night Football to begin Week 4. The Giants just picked up their first win of the season. Last Sunday, they beat the Cleveland Browns, 21-15, on the road. It was a different case for the Cowboys, who were defeated at home by the Baltimore Ravens. 

Kickoff at MetLife Stadium is set for 8:15 p.m. ET. Dallas is a 5.5-point favorite in the latest Cowboys vs. Giants odds, while the over/under for total points scored is 45. The Cowboys are -240 money-line favorites (risk $240 to win $100), while the Giants are +197 underdogs.

Before making any Cowboys vs. Giants picks or predictions of your own, you NEED to see which side SportsLine NFL expert Larry Hartstein is on. 

A former lead writer for Covers and The Linemakers, Hartstein combines a vast network of Vegas sources with an analytical approach he honed working for Pro Football Focus. He tied for 52nd place (out of 1,598 entries) in the 2022 Westgate Las Vegas SuperContest, going 53-34-3 ATS. Hartstein's weekly Vegas contest selections form the basis of his NFL best bets column, which is 79-48-2 (62.2%, +25.95 units) since its inception in 2022. He's also 22-8 (+1305) on his last 30 against the spread picks involving the Cowboys! Anyone who has followed him is WAY up!

Now, Hartstein has locked in another confident against-the-spread pick for Cowboys vs. Giants.

We can tell you he's leaning Over the point total, but he knows a crucial X-factor makes one side of the spread a MUST-BACK! You ABSOLUTELY need to see what it is before locking in any picks of your own.

So who wins Cowboys vs. Giants on Thursday Night Football, and what x-factor makes one side a MUST-BACK? ... Join SportsLine right now to see which side of the Cowboys-Giants spread hits HARD, all from the expert who is 22-8 on picks involving the Cowboys!