West Ham United are staking an early claim for the Premier League side to have had the best summer transfer window. The Hammers have officially signed six players to date, with a seventh on the way, and it doesn’t look as though they’re done yet. West Ham hit the ground running when the transfer window opened, signing Luis Guilherme, Wes Foderingham and Max Kilman. Then, early in August, the Hammers got three more signings done in quick succession, as Crysencio Summerville, Niclas Fullkrug and Guido Rodriguez joined. Now, Jean-Clair Todibo is set to be the next player announced by West Ham, wh…