1. Wise investments brought him well-rounded skills. Du Plessis was born on Jan. 14, 1994 in Welkom, South Africa—a city of some 65,000 people situated 150 miles to the southwest of Johannesburg.

The tension in the UFC middleweight division continues to rise as Khamzat Chimaev and Dricus Du Plessis trade jabs on social media ahead of UFC 319. As the trash talk builds hype, former champion ...