all football players
I don't know everyone but David Akers, and Matt Ryan.
Number 17 for the New Orleans Saints was Robert Meachem. He is with the San Diego Chargers now.
He wears it because it was Ted Williams number
Lots of players including Cristiano Ronaldo and Didier Drogba.
In which club.
The players decide by chosing numbers of their favorite players from their youth
Because that was his jersey number when he played football.
neymar
Danny Welbeck
Yes - Kenny Britt wears the number.
Republic of Ireland international, James McLean, currently wears the number 23 shirt at Sunderland.