raheem sterling poses with kit alongside philippe coutinho , jordan henderson , daniel sturridge and adam lallana .
midfielder has been linked with a move away from liverpool after refusing to sign new £ 100,000-a-week contract .
new balance struck a record-breaking £ 300m four-year kit deal to replace sister company warrior at liverpool .
captain steven gerrard did not model new strip as he prepares to leave for la galaxy in the summer .