It is an unusual replacement during a sporting event.
The referee for Saturday's rugby match between Racing 92 and La Rochelle has been replaced by Pierre Brousset, his linesman.
During this meeting counting for the second day of the Top 14, Tual Trainini is indeed out on a stretcher, hit in an ankle.
The referee collapsed with less than ten minutes remaining, holding his leg in the middle of the field.
"It is the ankle that has turned", he railed according to Canal +.
Tual Trainini will therefore not have been able to see the victory of Racing 92, 23-10, over La Rochelle on the ground.
In the provisional classification, Racing 92 takes the lead with 8 points.
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Poitou-Charentes
La Rochelle
Arbitrator
Top 14
Sport
Rugby
Racing 92