"Niners head coach Jim Harbaugh indicated Sunday that injured wide receiver Michael Crabtree could return to practice as early as this week.

The bad news? It won't matter who occupies San Francisco's skill positions if its offensive line doesn't dramatically improve.

In a 30-7 loss to the Texans on Saturday, the 49ers' front five was dominated, marking the second time in three preseason games that the unit was comically outclassed."