Every week in the National Football League, there are a few betting lines that make you scratch your head.
Week 4 is no different, as a couple of favorites aren't favored enough and one favorite shouldn't be backed at all.
One team lost to the Oakland Raiders by 10 points, but is given too much credit against a team that rocked the former NFC champs a week ago.
One team that has fallen on hard times is given too much credit against an up-and-coming young defense.
And another team will watch a historic quarterback gash it through the air.
Here are my picks against the spread for Week 4.
*Spreads via Covers.com
Indianapolis Colts at Jacksonville Jaguars
Spread: Colts -8
Let me put it this way: If the Oakland Raiders beat the Jaguars by 10 points, I'm pretty sure the Colts can beat the Jaguars by more than eight points.
And you can forget about home-field advantage. The Jaguars lost to the Kansas City Chiefs to open the season in Jacksonville, 28-2.
The Colts look as strong as they've ever been under Andrew Luck. They defeated the San Francisco 49ers in Week 3, 27-7. Most surprising, the defense looks much better than a season ago, ranked sixth in the NFL in points allowed per contest (16.0).
On the flip side, Jacksonville ranks 29th in the NFL in points allowed per game. It also ranks dead last in points per contest.
Indianapolis made life miserable for Colin Kaepernick last week. How is Blaine Gabbert going to fare?
That's a rhetorical question, by the way.
There's also this, per Tom James of the Terre Haute Tribune-Star:
Prediction: Colts 27, Jaguars 17
New York Giants at Kansas City Chiefs
Spread: Chiefs -4
This isn't the year 2012, folks.
This is a new season, where teams like the Chiefs dominate and teams like the Giants, well, don't.
The Giants have allowed 38.3 points per game this season, good for dead last in the National Football League.
The Giants also rank 27th in points per contest. And we all know what the Chiefs did to Chip Kelly's Philadelphia Eagles in Week 3.
In the 26-16 victory, Kansas City's young, budding defense exploded, forcing five turnovers while posting five sacks. Eli Manning has eight interceptions already this season, and the Chiefs have notched four picks while ranking third in yards allowed per pass attempt.
This is just a bad matchup, especially at Arrowhead Stadium.
Prediction: Chiefs 30, Giants 17
New England Patriots at Atlanta Falcons
Spread: Falcons -2
The Falcons shouldn't even be favored in this matchup.
Atlanta ranks 21st in yards allowed per pass attempt and 23rd in passing touchdowns ceded.
Yes, Tom Brady and the Patriots' passing attack haven't been as dynamic as it was last season, but it's only a matter of time before one of the greatest quarterbacks who ever lived starts syncing with his receiving corps. He connected with rookie Kenbrell Thompkins for two touchdowns against the Tampa Bay Buccaneers last week.
Beyond that, in the absence of the injured Steven Jackson in Week 3, Falcons quarterback Matt Ryan went to the air 38 times. Unfortunately for Ryan and the Falcons, the Patriots' pass defense has been much better this season, ranking fourth in the NFL in yards allowed per pass attempt while ceding just two touchdown passes.
Cornerback Aqib Talib has played sound football. Matched up against Buccaneers wideout Vincent Jackson in Week 3, he seemingly got better as the game continued.
The Falcons will put some points on the board, but it won't be enough against Tom Brady and the Patriots.
Prediction: Patriots 27, Falcons 23