West Ham United are apparently lining up a move to sign a midfielder for free in the summer transfer window. The upcoming summer transfer window will be a vitally important one for West Ham. A big squad overhaul is needed, with some potentially painful exits in the pipeline. Regardless of whether David Moyes stays or leaves, we need at least five or six new players this summer, with new additions needed in pretty much every department of the squad. Central midfield is one area that definitely needs strengthening. Edson Alvarez has been terrific for us this season, but we’re in desperate need o…