Springbok captain Siya Kolisi led a touching tribute to 20-time Grand Slam champion Roger Federer in a Moet & Chandon ad campaign.Federer will bring the curtain down on his glittering career in a "super special" match alongside long-time rival Rafael Nadal at the Laver Cup in London on Friday.The Swiss tennis star had been dogged by a knee injury and announced his retirement at the age of 41 last week.Kolisi and Federer have become good friends and in 2020, Kolisi handed Federer a Springbok jersey at the Match In Africa at Cape Town Stadium.Last year, Federer took Kolisi sightseeing in Zurich before the Springboks returned home from their year-end tour in the United Kingdom.Federer has a strong connection to South Africa as his mother Lynette was born in Kempton Park, Johannesburg.Amazing tribute from Moet & Chandon to Federer, feat.