Frank Cignetti, out as Rams' offensive coordinator.

Frank Cignetti, out as Rams’ offensive coordinator.

The St. Louis Rams relieved offensive coordinator Frank Cignetti of his duties Monday, the team announced. Assistant Head Coach/Offense Rob Boras will assume offensive coordinator responsibilities.

“We thank Frank for his hard work and dedication over the past four years,” Rams Head Coach Jeff Fisher said. “We wish him the best moving forward.”

Cignetti joined Fisher’s staff in 2012 and spent three seasons as the team’s quarterbacks coach. He was elevated to offensive coordinator in February of 2015.