Carlos Hyde's breakout performance wasn't the only running back news out of San Francisco from Monday night.
NFL Media's Rand Getlin reported Tuesday, per a source briefed on the injury, that running back Reggie Bush is week-to-week with a calf strain that he suffered in the first quarter of the 49ers' 20-3 win over the Vikings.
Bush was carted off the field after compiling just two carries for eight yards. His absence paved the way for a monster night from Hyde and also freed up some carries for Rugby League transplant Jarryd Hayne.
That didn't take long. Week-to-week doesn't offer a whole lot in terms of a timetable for fantasy owners. With Bush out, the Niners will need consistent production out of Hyde and Hayne in road clashes with the Steelers and Cardinals. Colin Kaepernick needs a stable running game to balance the offense against those formidable fronts. Without Bush in the arsenal, the young backs will have to carry the load.