Why do football players wear breathing strips?

Answer 1

To keep their nasal airways open, so they can breath better.

They need all the oxygen they can get.

Answer 2

football players put air in theIR helmets because it is used to fill up space if the helmet is too big or some helmets have special pads that blow up that are more comfortable

Answer 3

You have to inflate a football that you want to play with beecause you won't be able to kick it otherwise.