Arsenal and Liverpool had scouts in the stands for Standard Liege's clash with Anderlecht.
El Mundo Deportivo says both English giants were represented, along with Barcelona.
On show were Standard Liege fullback Daniel Opare, a target for Liverpool and Barca, along with Anderlecht attackers Dieumerci Mbokani and Matias Ezequiel Suarez
Mbokani is also wanted by Liverpool, while Suarez confirmed the interest of Arsenal last month.
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