Nike, Adidas, Puma, Under Armour: Sizing up the sportswear giants in 2020 - SportsPro
Nike versus adidas versus Puma: sales comparison | Statista
Sportswear Brand Wars - Q2 2021 Results & Analysis for Nike, Adidas, Puma, Under Armour and Skechers
Which compat has the most demand between Nike, Puma, and Adidas? - Quora
What is the difference between Nike, Adidas, and Puma when it comes to quality and durability of sports shoes, particularly football boots and running/trainers like Air Max, Nikes etc.? - Quora
Nike, Adidas, and Puma Flagship Sportswear Stores Stores Compared