In the first seven weeks of the season, there were only two outright upsets by underdogs of seven points or more. But there have been nine such upsets in the last four weeks.
Original article: https://www.reviewjournal.com/sports/sports-columns/todd-dewey/las-vegas-sportsbook-wins-big-on-nfl-on-best-day-of-the-season-2483868/