Less than two months since he signed with the Pittsburgh Steelers, Aaron Rodgers has already discovered a lot of parallels between his current team and the organization he spent the first 18 years of his NFL career playing for.

LATROBE, Pa. — Aaron Rodgers has a well-documented suspicious streak, and at some point this past spring — during one of many conversations exploring a potential partnership — the four-time MVP wondered how Mike Tomlin’s recall could be so acutely accurate? Is he taking notes? Rodgers wondered.

While the quarterback duel defines the Pittsburgh Steelers' Week 1 matchup, there is another battle to monitor.