Former New Zealand captain Sean Fitzpatrick believes England and Ireland pose the greatest threats to ending the All Blacks’ domination at this year’s Rugby World Cup. New Zealand are overwhelming favourites to clinch a third successive crown in Japan later this year, but the natural order was disturbed by Ireland clinching a famous win over the Kiwis in Dublin last November. Defeat for New Zealand came just a week after they were pushed all the way by England, who have beaten Ireland and France in the Six Nations recently. Scott ‘Razor’ Robertson keen to ‘have a crack’ at coaching All Blacks Liam Square signs two-year deal with Japanese club The 1987 World Cup winner Fitzpatrick expects both northern hemisphere sides – as well as Wales, currently on an 11-match winning sequence – to shine on the global stage. But he thinks no top-tier nation can be ruled out of contention at a tournament where none of them can boast home advantage. “No disrespect to Japan, because they can beat the big boys, as we saw in 2015 [when they defeated South Africa], but it’s the first neutral World Cup in terms of the home advantage,” the former All Blacks captain told Press Association Sport. “The All Blacks are the defending…