ESPN Chalk's Vegas experts are here to provide analysis and best bets for all Week 4 games, including the Detroit-Chicago matchup.
Note: All odds courtesy of the Westgate Las Vegas SuperBook as of Friday morning.
Matchup: Detroit Lions-Chicago Bears
Spread: Opened Detroit -2.5; now Detroit -3 (EVEN)
Total: Opened 46; now 47.5
Pickcenter public consensus pick: 81 percent Detroit
Public perception: The stats say the public is on the Lions, but it's clearly a case of a lot of people fading a Bears team they've seen lose two straight weeks in prime time.