Daniil Medvedev might be hobbling his way to victory at the Miami Open—plagued by cramps in the third round—but at least he looks fashionable. The Russian recently signed a deal with Lacoste to be the ...

Forbes contributors publish independent expert analyses and insights. Tim Newcomb covers tennis gear/business, stadiums and sneaker tech. Lacoste on-court apparel outfits the top-two ATP players in ...