After just one season as the 49ers defensive coordinator, Nick Sorensen has been fired and will not be retained on the coaching staff in another capacity. Head coach Kyle Shanahan expressed a desire to keep Sorensen as the special teams coordinator.

As Robert Saleh brings in his own assistant coaches, the San Francisco 49ers are forced to say goodbye to part of their current staff.

Robert Saleh, who was fired by the Jets during the season, was hired by the 49ers for second stint as the team’s defensive coordinator on Friday night.

Robert Saleh is heading back to the spot where he enjoyed his most success as an NFL coach. The 49ers on Friday officially announced the hiring of Saleh, 45, as defensive coordinator to fill the key spot on Kyle Shanahan’s coach staff that remained vacant for more than two weeks.