Original sentence: Both his sons - former French U-19 international Franck (who changed his international allegiance to Cameroon in 2008 and played namely for Portsmouth FC) and Real Zaragoza), and Yann (who emerged through his father's former side Metz youth ranks) - are also professional footballers
Edited sentence: Both his sons - former French U-19 international Franck (who changed his international allegiance to Cameroon in 2008 and played namely for Portsmouth FC and Real Zaragoza), and Yann (who emerged through his father's former side Metz youth ranks) - are also professional footballers