Hooker Horie and scrum - half Tanaka have both made big impressions playing Super Rugby since their moves to the Rebels and the Highlanders respectively .
Leitch has been training with the Chiefs as part of their expanded squad .
Hooker Horie and scrum - half Tanaka have both made big impressions playing Super Rugby since their moves to the Rebels and the Highlanders respectively , while Leitch has been training with the Chiefs as part of their expanded squad .