By Kevin Sweeney Counting down the 10 most intriguing matchups and the most in-demand tickets for this week’s action. Demand Rankings is Sports Illustrated’s weekly look at the games and sports events that are driving the most demand for tickets across sports, including college football, NFL, NBA, golf, tennis and more. Here’s this week’s list of the most sought-after seats in the NFL. From huge QB performances to missed field goals and questionable coaching decisions, the NFL returned with a bang last week. It was a wildly entertaining first slate of games that featured plenty of upsets and t…