Kyle Shanahan just finished his fourth double-digit-loss season in eight years. And now Fox Sports 1 Analyst Emmanuel Acho thinks Shanahan is on the hot seat.

The 49ers are hoping to keep Sorensen around on Kyle Shanahan's staff in a lesser role, just not as the defensive play-caller. Sorensen has spent the last three years in the organization, holding titles of defensive assistant, defensive passing game coordinator and nickelback coach before being named defensive coordinator prior to last season.