Inter Miami have now been told that they have potentially missed out on a top signing this summer according to recent rumors. The Herons have made signing a central defender their number one priority this summer, with recent reports suggesting that Inter Miami are now close to signing River Plate defender David Martinez on loan. With Sergio Ramos also believed to be on Inter Miami’s radar, the Florida franchise are seemingly set on going big with their defensive signings this summer, a move that could help Tata Martino greatly in his bid to win MLS Cup and the Supporters’ Shield. Yet Inter Mia…