The Pittsburgh Steelers could be heading for a stormy reunion if head coach Mike McCarthy and quarterback Aaron Rodgers join forces—and the warning comes straight from a former Green Bay Packers teammate who witnessed their drama firsthand.

According to NFL insider Tyler Dunne of Go Long, a source who played alongside both Rodgers and McCarthy in Green Bay isn't optimistic about a smooth partnership in Pittsburgh. The former teammate, described as "pro-Aaron Rodgers," initially joked that the duo would create a "Cinderella story" and win the Super Bowl. But when pressed for a real answer, he predicted they'd "be at each other's throats and fighting in no time."

During their final seasons together with the Packers, cracks began to show. Reports surfaced of disagreements over play-calling, stale offensive schemes, and a breakdown in communication. While both Rodgers and McCarthy have spoken highly of each other since parting ways, the source suggests old habits could resurface under the bright lights of the Steel City.

For Steelers fans hoping for a harmonious pairing, this insider's warning is a sobering reminder that history has a way of repeating itself. Whether the team can avoid the same pitfalls remains to be seen, but one thing is clear: the potential for fireworks is very real.