Senegal's 20-year-old defender Mamadou Sarr is pushing for a first Premier League start when Chelsea face Arsenal after a rapid rise under Liam Rosenior.

Bouna Sarr’s road back to his boyhood club FC Metz has been a long one. His move to Bayern Munich in 2020 was plagued by injuries, and he made only 16 appearances across a four-year contract before ...