Rookies Ashton Jeanty and Jaxson Dart impress in week two of NFL pre-season as Caleb Williams also looks sharp in Chicago ...

Not only is Deguara a better blocker than all three of them, but he's tougher as a receiver than Krull, has shown more in the NFL than Prieskorn, and has significantly more experience than Lohner.

Through just two preseason games, the 49ers already have four injured running backs -- Isaac Guerendo (shoulder), Patrick Taylor Jr. (shoulder), Jordan James (finger) and Corey Kiner (ankle). Their ...