It's a matchup of looking into the mirror...literally.
Brothers John Harbaugh (Ravens) and Jim Harbaugh (49ers) are the respective head coaches. Also, each team embodies a similar approach offensively and defensively.
Ray Rice and Frank Gore are replica running backs with a physical style and the ability to break tackles in narrow space. Not to mention the big-play receiving targets in Anquan Boldin, Torrey Smith, Randy Moss and Vernon Davis.
Lewis and Patrick Willis are the defensive leaders and bring the instinctive aspect to making plays at the line and against the pass.
Terrell Suggs and Aldon Smith are the featured pass-rushers, because getting to the quarterback is a distinct edge in pro football. The significant difference resides at quarterback, because Joe Flacco holds the experience, but Colin Kaepernick is a dual-threat.
So, to decipher this enigma of a football game, let's view a final breakdown for Super Sunday.