As a winger, Mahrez plays for Leicester City and the Algerian national football team. After spending three years playing for Le Havre, he made a permanent transfer to then-Championship side Leicester City in January 2014. He made his international debut for Algieria in 2014 and represented them at the 2014 FIFA World Cup and the Africa Cup of Nations. As of May 2015, he had won 17 international caps and scored 3 goals.
He began his youth career for French club, AAA Sarcelles before going professional with Quimper in 2010 where he played for only one year and then moving to Le Havre.
He was born in Sarcelles, France but he expressed his desire to represent Algeria internationally.