Why do college footballs have white stripes while NFL balls do not?

To help players see them at night

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Think you know Football Rules?

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3-question preview

Answer easy, medium, and hard questions. Install the app for the full 18-question duel.

Question 1 of 3 Easy

These visible examples show the question style. LearnClash turns the full topic into ranked duels and spaced repetition.

1 Easy

How many players per team are allowed on the field at once?

Answer: 11
2 Medium

What is the penalty for a defender moving before the snap?

Answer: offside
3 Hard

Which rare football rule allows a free kick field goal?

Answer: fair catch kick
4 Easy

What color flag do officials throw to signal a foul?

Answer: yellow
5 Medium

Why do college footballs have white stripes while NFL balls do not?

Answer: To help players see them at night
6 Hard

What arm gesture must a player make to signal a fair catch?

Answer: Waving side to side