‘Key matchup: Both defensive backfields vs. both WRs groups. WR Stefon Diggs has 270 yards and four touchdowns through two games, and his 20 receptions are second in the NFL. He’s coming off a three-touchdown, 148-yard game against the Titans, who were the AFC’s No. 1 seed last season, and he’s proven he’s a matchup nightmare for any secondary. The Bills’ secondary will face a huge challenge against Tyreek Hill and Waddle, who combined for 22 catches for 361 yards and four touchdowns against the Ravens. With Buffalo facing injuries to some of its defensive backs, it may be a long day of running after Hill and Waddle.’