West Ham are preparing a bid for Lyon defender Jake O'Brien.
The former Crystal Palace youth teamer has established his senior career with OL.
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Foot Mercato says he could yet make a return to England this summer.
O'Brien has a deal to 2027 with OL, but can be signed for an asking price of €12m.
West Ham are turning to O'Brien after being priced out of a move for Wolves captain Max Kilman.