West Ham may have just secured their long-term successor to Vladimir Coufal and saved themselves millions in the process. There are a number of key areas where West Ham need to strengthen in the summer. And both full-back positions would be near the top of the list for most Hammers fans. Vladimir Coufal has been a superb signing for West Ham. The Czech warrior cost us less than £5m from Slavia Prague. And he has proved to one of the bargain buys of West Ham’s Premier League era. Time waits for no man, though. And although Coufal is enjoying a superb season overall, he isn’t getting any younger…