BOB Protection

BOB stands for Big-On-Big. The five offensive linemen block the defensive linemen man-to-man, and the running back blocks the linebacker who shows blitz. It's the simplest, most-installed pass protection scheme in football, and the foundation under any more complex protection package.

The upside of BOB is clarity. Every blocker has one body to find. The QB knows where the protection breaks down and can throw hot to a built-in answer. There's no slide, no rule, no late communication — just five pairs of eyes on five rushers.

The downside is the back. A 215-pound running back has to handle a 240-pound rushing linebacker on an island, and the math doesn't always work. Modern protections layer in BOB-with-help (a guard chips the rusher) or BOB-with-slide-out (the line BOBs to one side and slides the other) to give the back better odds. But the core scheme is the bedrock — every more complex protection is just BOB with a wrinkle.