Chelsea decided to trigger the 24-year-old’s £53m release clause, with Werner signing a five-year contract after talking to his compatriot and former Stuttgart team-mate Antonio Rudiger about the move.
And Werner could play a similar role in Havertz’s transfer, encouraging his international team-mate to jump aboard an exciting project being constructed by Lampard.
The Blues are assembling a formidable attack ahead of next term, with Werner and Ziyech adding their firepower to the existing talents of Tammy Abraham and Christian Pulisic.
Havertz would bolster that arsenal further, having scored 17 goals and provided nine assists in 43 appearances across all competitions this season.
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