NFL Opening Lines: Week 7 betting odds and trends

If you bet underdogs in Week 6, you are staring at your bankroll in disbelief at how much money you made.

Underdogs were 12-2 ATS on the week, a startling number after two weeks where online sportsbooks saw relatively even action.

"It started on Thursday with the Titans upsetting the Steelers and continued right through til Monday night where Peyton Manning rallied the Broncos past the Chargers as 1.5-point underdogs," said Jack Randall of OddsShark.com (provider of odds to SBNation).

More than half of the week's underdogs won outright, making winners of out of bettors who risked the moneyline instead of the point spread. The Bills, Lions, Packers, Broncos and Giants all won as road dogs and the Browns, Seahawks, Titans and Redskins turned the trick at home.

Dallas choked at Baltimore but still covered the spread. Two teams covered as chalk - the New York Jets and Tampa Bay Buccaneers.

The opening odds for Week 7 has San Francisco and New England - two big losers from Sunday - as the biggest chalk. Both have significant NFL betting trends pointing to victories in Week 7.

Seattle +9 San Francisco -9 SEA 38.5 | Matchup

Seahawks 13-2-1 ATS past 16 games as underdog

Washington +7 NY Giants -7 NYG 48.5 | Matchup

Giants 15-2 SU past 17 October home games

Baltimore +4 Houston -4 BAL 47 | Matchup

Ravens have never lost to Texans (6-0 SU, 4-2 ATS)

Cleveland +3.5 Indianapolis -3.5 CLE 44 | Matchup

Browns 7-2-1 ATS past 10 as underdog

Dallas -2.5 Carolina +2.5 CAR 45.5 | Matchup

Cowboys 3-10-1 ATS past 14 as road favorite

New Orleans -1.5 Tampa Bay +1.5 TB 49 | Matchup

Saints 10-1 ATS since 2001 when favored by 2 or less points

Tennessee +3 Buffalo -3 BUF 45 | Matchup

Titans 7-1 SU, 6-2 ATS past 8 vs Bills

Green Bay -6 St. Louis +6 STL 44.5 | Matchup

Rams 11-4 ATS past 15 October home games

Arizona +7 Minnesota -7 ARI 40.5 | Matchup

Cardinals have won outright 7 of past 9 games as underdog

Jacksonville +5 Oakland -5 JAC 43 | Matchup

Raiders 3-17-1 ATS past 21 games as favorite

NY Jets +11.5 New England -11.5 NYJ 47 | Matchup

Teams have played 5 straight OVERs

Pittsburgh -1 Cincinnati +1 PIT 46 | Matchup

Steelers 0-7 ATS past 7 road games

Detroit +6 Chicago -6 CHI 47.5 | Matchup

Bears 7-2 ATS past 9 games as favorite