The 49ers had plenty of problems last year, which is why they picked second in the draft, but they were great on explosion plays — those gains of 20 or more yards — despite losing their starting quarterback and best running back to ACL tears, and not having any marquee wide receivers/
This was not a fluke, and — with all due respect to Matt Breida and George Kittle — it was not a testament to the admittedly great talent that they both have. Coach Kyle Shanahan and his assistants — especially veteran running backs coach Bobby Turner — are masters at setting up play designs with downfield blocks that turn six-yard runs into 24-yard gains.