Joe Rodon officially became Leeds United’s first signing of the summer on Tuesday, but there is still plenty more work to be done. After such a brilliant campaign on loan at Elland Road last season, Tottenham centre-back Rodon had been Leeds‘ top target throughout the early stages of the window. And in a deal that saw Archie Gray go the other way for £40 million, Leeds were able to reach an agreement for the Welshman to return on a four-year-deal for £10 million. Rodon’s arrival is very much an early statement of intent by Leeds but it is imperative they do not stop there, with several areas o…