Lean Mako Vunipola hungry to return for England against Ireland

• Prop has been out since May with hamstring injury• Vunipola at lowest weight since 2016 Australia tourNo England player is keener to run around a rugby field this bank holiday weekend than Mako Vunipola, who is set to make his long-awaited comeback from injury against Ireland on Saturday.The Saracens prop has not been available to Eddie Jones since the Champions Cup final in mid-May but is now ready to resume national service. It has been a long, eventful slog for the loosehead who tore the tendon at the top of his hamstring so badly the muscle became detached from the bone. An operation was…