Looking on the internet deeply has found these results:

Early days of football is the most popular phrase on the web.

Football's early days 13,630 results on the web	Early days of football 1189,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
Maybe you want to take an early day. I know how important those early days of marriage are. Obviously, it's very early days, but... Good for our football's reputation internationally. From the early days of Derrick Storm. He's a big reason Witsec was a success in the early days. Tell us about the early days, Jimmy. Primitive but moving pictures that recall the early days of cinema.	I know how important those early days of marriage are. From the early days of Derrick Storm. In the early days of American history, blacks lived in slavery. But these were the early days of this technology, and it wasn't really proven yet. Christian communities have been living in various Muslim countries of the Middle East since the early days of Christianity. There were also concerns in the very early days of the Community. Primitive but moving pictures that recall the early days of cinema. I lent her that computer in the early days of our partnership.

Football's early days

13,630 results on the web

Early days of football

1189,000 results on the web

More popular!

I know how important those early days of marriage are.
From the early days of Derrick Storm.
In the early days of American history, blacks lived in slavery.
But these were the early days of this technology, and it wasn't really proven yet.
Christian communities have been living in various Muslim countries of the Middle East since the early days of Christianity.
There were also concerns in the very early days of the Community.
Primitive but moving pictures that recall the early days of cinema.
I lent her that computer in the early days of our partnership.