By Dan Marsh Sir Jim Ratcliffe has already warned Manchester United that failure to qualify for the Champions League would negatively impact their summer transfer plans. The Red Devils have endured a challenging season under Erik ten Hag, who has seen any credit from his maiden campaign, where United ended a six-year trophy drought, erode over recent months. Ratcliffe and his Ineos team are now calling the shots and have ambitious plans to re-establish the club among Europe’s elite. Whether or not Ten Hag will form part of those plans, however, remains to be seen given how the season has panne…