The Kansas City Chiefs and the New York Giants will face off in the Week 8 edition of Monday Night Football. Kickoff in Kansas City is set for 8:15 p.m. ET. The Chiefs are favored by 10.5 points in the latest Giants vs. Chiefs odds from Caesars Sportsbook, while the over-under is 52.

Before you make any Giants vs. Chiefs picks or any other NFL predictions, you NEED to see which side SportsLine 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 while working for Pro Football Focus. Entering the 2021 campaign, Hartstein was 351-291 all-time on NFL sides, returning more than $2,200 for $100 bettors.

In addition, Hartstein is an expert on the Chiefs. He is a blistering 18-5 in his last 23 NFL picks involving Kansas City, returning more than $1,200 for $100 bettors! Anyone who has followed him is WAY UP.

New York can take solace in Kansas City's defensive weaknesses. The Chiefs are dead-last in yards allowed per drive (40.8) and points allowed per drive (2.87) this season. Kansas City is also a bottom-five team in third down defense, total defense, scoring defense and rushing defense. Giants quarterback Daniel Jones is playing his best football and leads the team in rushing.

Kansas City remains dynamic offensively. Even with a sub-.500 record, the Chiefs land in the top quartile of the league in points, yards, points per drive, first downs, completions, touchdowns and yards per carry, among others. Kansas City is the best team in the league in yards per drive (44.4), and the Chiefs convert a league-leading 57 percent of their third down attempts.

Now, Hartstein has locked in another confident against the spread pick for Giants vs. Chiefs. We can tell you he's leaning under, 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.

Who wins Giants vs. Chiefs on Monday Night Football? And what critical X-factor makes one side of the spread a must-back? ... Join SportsLine right now to see which side of the Giants vs. Chiefs spread to jump on, all from the expert who's an outstanding 18-5 on Chiefs picks!