Watford may capture one of the rising stars of the game.
The Ligue 1 side reportedly wants $34 million for the Senegal national team right wing.
[ VIDEO: Nketiah leads Arsenal win ]
Sarr, 21, scored a goal and an assist in Senegal’s run to the Africa Cup of Nations final, playing opposite Sadio Mane of Liverpool.
He posted 13 goals with 14 assists last season between Ligue 1, the French Cup, and the Europa League. He was the lone Rennes player to score against Arsenal in the UEL Round of 16.