Keith Earls leads Ireland past USA but fly-half Carbery is injury worry

USA 19-55 IrelandIrish team fielding three Lions too strong for inexperienced EaglesAn injury to fly-half Joey Carbery, who had two kicks charged down for tries, interrupted a win for Ireland in a Test that showed the gap that still exists between rugby’s haves and have-nots.In truth, the USA have more than they once did: John Mitchell’s Eagles were well drilled and well lead by two overseas pros: Sale fly-half AJ MacGinty and New Zealander Tony Lamborn on the openside flank. Still, a lack of time together and semi-pros in key positions fed into familiar problems: a scrum that struggled, a def…