Italy’s Marcell Jacobs (in blue) wins the men’s 100m final at the Tokyo Olympic Stadium at the 2020 Tokyo Olympics. (PHOTO: Cameron Spencer/Getty Images) Reporting from Tokyo

TOKYO — Marcell Jacobs showed the world on Sunday (1 August) that he is the new fastest man in the world, following Usain Bolt’s dominance in the men’s 100m for the past three Olympics.…