At Kyle Shanahan's end-of-season press conference a few days ago, he proudly announced that he would be promoting Klay Kubiak from passing game specialist to offensive coordinator. Turns out, Shanahan violated NFL rules by making this announcement.

Bad news for Kyle Shanahan, who had planned to name Klay Kubiak as OC for the upcoming NFL season. It appears a rule prevents him from receiving that kind of promotion.

The 49ers have only had one other offensive coordinator by title since Shanahan joined the team: current Dolphins head coach Mike McDaniel

Jonathan Jones of CBS Sports reports that the 49ers will need to conduct an open search for their offensive coordinator position, even though HC Kyle Shanahan

The San Francisco 49ers are promoting Klay Kubiak from offensive passing game specialist to offensive coordinator, head coach Kyle Shanahan told reporters