Arsenal have agreed terms with Bologna defender, Riccardo Calafiori.
The Gunners offered Calafiori a five-year contract, which is valid until June 2029.
The Premier League are now in discussions with Bologna over a €50 million transfer fee.
FC Basel are expected to receive 50 per cent of the sale.
Football transfer expert, Fabrizio Romano, wrote on X: "Arsenal have agreed terms of Riccardo Calafiori's contract, valid until June 2029.
"Arsenal and Bologna are discussing over fee, as request remains around €50 million.
"FC Basel would receive 50% of the sale over €4.5 million - they're also aware of talks ongoing, nothing sealed yet."
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