There are concerns that an issue that almost caused the 2009 Bledisloe Cup match in Tokyo to be cancelled at the last minute could also affect the 2019 World Cup in Japan.
It was kept under wraps at the time but the Herald on Sunday understands the transtasman match was in serious jeopardy, as close as 36 hours before kickoff.
Both Australian and New Zealand management teams had serious concerns about the shallow in-goal areas and grass verges on the sidelines, fearing serious injury could occur with a heavy tackle near the sideline or dead ball line.
In the end, a few extra layers of astroturf were piled on behind each dead ball line and beside the sideline, to give added protection from the running track.
Watching a recent Top League match between Panasonic and NTT Docomo the issue was still there for all to see, with the in-goal area at both ends of the pitch comprised of two dozen narrow strips of temporary astroturf lying across a running track.