article_snippet: Ross Barkley began Roberto Martinez's first campaign in charge by damaging his medial ligaments
article_snippet: Ross Barkley began Roberto Martinez's first campaign in charge by damaging his medial ligaments his medial ligaments and has struggled for form .
highlights_snippet: Ross Barkley lit up Roberto Martinez's first campaign in charge .
  
highlights_snippet: Ross Barkley began Roberto Martinez's first campaign in charge by damaging Ross Barkley medial ligaments .
  