MELBOURNE, May 14 : The Waikato Chiefs will look to keep the pressure on the leading Wellington Hurricanes with victory over the Otago Highlanders on Friday as the playoffs race heats up in Super Rugby Pacific. Five points behind Wellington with three rounds to play in the regular season, the second-placed Chiefs have already locked up a berth in the finals but will be eyeing the Hurricanes' top spot with envy. Finishing number one would give the Chiefs a path to a home Grand Final, and having