Manasa Mataele will make his Super Rugby debut for the Crusaders this weekend.
Mataele will replace his injured uncle Seta Tamanivalu on the wing.
George Bridge takes the other wing, with Digby Ioane also ruled out after breaking a finger at training.
The Crusaders have made seven changes to their starting line up with Owen Franks returning to the number 3 jersey, while Jordan Taufua and Jed Brown join Whetu Douglas in the loose forward trio.
The Crusaders will host the Blues at 6.35pm tomorrow while the Rebels will host the Chiefs at 8.45pm.
On Saturday, the Bulls will host the Sunwolves at 5am while the Hurricanes will take on the Highlanders at 6.35pm.