Success has not made Watford’s matchday squads for their two Premier League games so far this season and it is thought that the Nigerian is not wanted by new manager Silva.
Silva has however revealed that he is leaving out Success until he adapts to his ideas.
“This situation: He’s a young boy and boy who needs to adapt to this football and to our ideas as well,” Silva said.
“We tried to put that to him as soon as possible because he’s one player we believe in as a project – as a Watford project.
“Until now I don’t have a decision. He stays with us, he works hard and tried to find his space in the team. It’s what I want him to do.”
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Success who has scored only one goal in the Premier League for Watford, joined last season from Granada.
The 21-year-old played just 19 Premier League games last year for Watford as his debut season was disrupted by injuries.