Well there are a few reasons why footballers wear headphones when they arrive at the stadium. And you might also notice that most the times they wear huge headphones rather than earphones. Here are the reasons:
* They want to be focused before their match,they want to keep themselves calm.
* They wear headphones so as to avoid any disturbances around them like the press interviews or noisy and rude fans.
* You might also notice this that major footballers always wear Headphones and most of the times the Large Headphones are just hanging around their necks.
* Some footballers are endorsed

Read more https://www.newsy.com.ng/2019/05/why-do-footballers-wear-headphones.html

How about if they just listening to music

otipoju:
How about if they just listening to music

True, but then read the post to know other details as to why

bartz025:
True, but then read the post to know other details as to why

I hear you.