Yahoo Sport FR report that Montpellier right-back Ruben Aguilar is closing in on a move to AS Monaco this summer.
The Principality side are understood to have accelerated negotiations to get a deal done in the last 48 hours.
Monaco in pole, but considerable interest from abroad.
RMC have since added that the Principality side have reached an agreement with the French full-back over a provisional contract.
The two clubs now need to find an agreement concerning the fee – ASM are expected to open the bidding with a €6m offer, whilst MHSC are understood to be holding out for €8m.