Kyle Shanahan knows Raiders vulnerabilities. Can they do anything about it?

PLAYBOOK: LAS VEGAS RAIDERS (4-4) AT SAN FRANCISCO 49ERS (6-1) The worst thing the Raiders put on film last Sunday might have been the first half against the Jets. The second worst? Giving Kyle Shanahan a reason to keep watching. The Jets ran for 140 yards before halftime. Whatever the Raiders told themselves about getting…