Chuck Pagano and Ray Lewis spent the previous four seasons as part of a Baltimore Ravens defense known for making life tough for the opposition.
As secondary coach and then defensive coordinator, Pagano teamed with the future Hall of Fame linebacker to help the Ravens reach a pair of AFC championship games before taking the Indianapolis Colts' head coaching job in January.
The game plans Pagano put together during those years weren't able to prepare him for what he'd endure next.
Pagano is back on the Colts' sideline after beating leukemia in time for Sunday's wild-card matchup against his former team in Baltimore, which could be the final time Lewis steps between the lines after announcing his decision to retire following the playoffs.
Indianapolis was 1-2 when Pagano took an indefinite leave of absence to receive treatment, beginning a "Chuckstrong" movement that captivated the league.
He stayed close to the team as interim coach Bruce Arians and...