Which defensive formation, popularised by the 1985 Chicago Bears, uses a 4-3 front with a 'Monster' linebacker designed to wreak havoc in the backfield?

• A 46 defence ✓
• B 3-4 defence
• C Nickel package
• D Tampa 2

The 46 defence, designed by defensive coordinator Buddy Ryan and named after safety Doug Plank's number 46, overwhelmed offences and powered the Bears to a Super Bowl victory.