No Deal, No Difference: Frances Tiafoe Keeps Faith With K-Swiss at the US Open

At Flushing Meadows, Frances Tiafoe has been taking the court in K-Swiss sneakers all tournament, even though there is no endorsement contract behind the choice. The brand, a mainstay of American tennis since well before this generation of players turned pro, gets no formal credit on his feet but plenty of visibility as he advances through the semifinals. It is loyalty worn quietly, without a logo deal to explain it.

With reporting from Footwear News.