Sept 2 (Reuters) - Manchester United captain Harry Maguire hailed Cristiano Ronaldo's return to the club and said the "greatest player to play the game" will have a huge impact at Old Trafford. Ronaldo became the all-time leading scorer in men's international football when he headed two last-gasp goals to give Portugal a 2-1 victory over Ireland in their World Cup qualifier on Wednesday. "It's amazing to have Cristiano join us, and come back home," Maguire said. "His career speaks for itself, for me (he is) the greatest player to play the game... Maguire is away on international duty with England, who will take on Hungary in a World Cup qualifier in Budapest on Thursday.
