Smith: Future of NFL coaches
The one thing a successful coach needs in today's NFL is the ability to adapt. Jason Smith spies two coordinators who have it. More ...
The 57-year-old Arians joined the Steelers as the wide receivers coach in 2004 and was promoted to offensive coordinator in 2007.
Tomlin announced the move in a statement Friday, lauding Arians for "helping lead our offense to new heights."
"I am grateful to Bruce for contributing to our success and wish him nothing but the best in his retirement," Tomlin said.
Copyright 2012 by The Associated Press