The Ravens are seven-point favorites over the visiting Buffalo Bills ahead of their season opener Sunday, according to Las Vegas sportsbooks.
The spread opened at a field goal but has since widened to a touchdown as of Tuesday afternoon.
The Ravens have faced the Bills just seven times in franchise history, and only once in the past four years. Their last meeting was in a season opener, too, a 13-7 Ravens win in 2016 in which Joe Flacco outdueled former teammate Tyrod Taylor. Overall, the Ravens lead the series 4-3.
Buffalo was 4-1 against the spread in its...