Premier League club Watford have brought in a new rival for Nigerian forward Isaac Success with the purchase of Richarlison.
"Brazilian attacker Richarlison has signed for Watford on a five-year deal, the Hornets are delighted to confirm," Watford announced on their official website on Tuesday.
"The Hornets have beaten off strong competition to secure the services of the highly-rated 20-year-old, following a successful work permit application.
"A pacey and exciting forward with an eye for goal, Brazil Under-20 international Richarlison joins from Fluminense, where he played 67 games and scored 19 times.
"He came through the ranks at América Mineiro and has scored twice in eight games for Brazil Under-20s."
Richarlison is believed to to have cost Watford around £11 million.
Success, 21, is in his second season at Watford after struggling in the last campaign, starting only two Premier League games of the 19 he featured in and scoring only once.