Marc Trestman has been in this situation before.
In 1995, he was hired as the San Francisco 49ers' quarterbacks coach and offensive coordinator, replacing Mike Shanahan and Gary Kubiak, who left for the Denver Broncos after being on the 49ers' Super Bowl-winning coaching staff.
Twenty years later, Trestman is adopting a similar approach as he takes over from Kubiak and becomes the Ravens' fourth offensive coordinator in as many seasons. He is seeking continuity, not change.
"It's never going to be my offense. It's always going to be the Ravens' offense. I've been in this situation before on two or three...