What is the term for a pitcher or team achieving four strikeouts in one inning, possible only when a batter reaches first base on a dropped third strike?

• A Golden sombrero
• B Diamond K
• C Platinum sombrero ✓
• D Quad strikeout

A four-strikeout inning is extremely rare ΓÇö occurring fewer than 100 times in MLB history ΓÇö and requires the catcher to drop the third strike with two outs so the batter reaches base.