The 27-year-old has agreed terms after opting not to extend his contract with the Dutch side, ending a five-year spell in the Eredivisie.
Boscagli leaves PSV having played a key role in their 2024 league title triumph, and brings with him a wealth of experience in European football.
Brighton had shown interest in the defender as early as last summer, but saw multiple bids—believed to be in the region of €8–10 million—turned down by the Dutch champions.
The Seagulls’ patience has paid off, with the south coast club now securing the player’s services without a transfer fee.
