Liverpool defeat Sunderland 4-2 in friendly in Nashville When Gomez went down, central defence formed by two teenagers The Andoni Iraola era at Liverpool opened with a victory over Sunderland in Nashville – and a deepening of concerns over the defensive options at his disposal. The sight of Joe Gomez hobbling off after 10 minutes of the new head coach’s first game and two teenagers forming a raw central defence partnership in his absence intensified the spotlight on a department in need of work…