India, Oct. 17 -- A couple of weeks ago, two brothers had a showdown.

The stage was the Derby d'Italia, the storied rivalry between two giants of Italian football: Inter Milan and Juventus. The brothers were Inter striker Marcus Thuram and his younger sibling Khephren Thuram, fast becoming Juventus's go-to holding midfielder.

What made this even more special is that the brothers are sons of football legend Lilian Thuram, one of the greatest defenders of his generation, and a World Cup winner with France.

On the day of the face-off, Lilian was in the stands, and what an emotional roller-coaster ride it must have been for him. His sons both scored within minutes of each other, in a thrilling match of fluctuating fortunes. A few days late...