One area Leeds United’s recruitment team will be looking to improve this summer is the use of the Premier League loan market. Across last summer and the January window, Leeds brought in four players on loan from top-flight sides, and it would be fair to say only one of them really worked, in Joe Rodon. Rodon joined on a season-long-loan from Tottenham in August, establishing himself as a rock at the back as Leeds boasted the second best defensive record in the division. They are now keen to sign him permanently, as difficult as that might be. Djed Spence was the next to come through the door o…