The Baltimore Ravens' offense runs like a dream when firing on all cylinders, but as of late, they've had some trouble revving up the engine. Somehow, someway,

Lamar Jackson has almost never lost against the NFC. This week he faces a major challenge. Baltimore’s matchup with Philadelphia on Sunday pits the Ravens’ top-ranked offense against the Eagles’ No. 1-ranked defense.

Vic Fangio had a miserable New Year's Eve as the Miami Dolphins coordinator going up against Lamar Jackson and the Ravens last season in Baltimore. He returns to Baltimore Sunday with the Eagles in a battle between the No. 1 offensive and defensive teams in the NFL. (AP Photo/Reed Hoffmann)