In five seasons as the Bengals’ offensive coordinator, Callahan helped establish an offense that fueled Cincinnati to 2 AFC North division championships and a Super Bowl appearance in 2021. The Bengals’ offense was seventh in the NFL in factors per sport (26.1), eighth in total yards (360.5 per game) and fifth in passing yards (265.0). The Bengals also completed fourth in the NFL in offensive DVOA in 2022. “He establishes the entire structure of the offense,” Bengals coach Zac Taylor stated of Callahan. “He has helped develop every position we have. He’s invaluable. There’s really not enough issues I can …