Texas-born Italian sprints from unknown to Bolt’s successor

Lamont Jacobs, center, of Italy, celebrates after winning the men's the 100-meter final at the 2020 Summer Olympics, Sunday, Aug. 1, 2021, in Tokyo. (AP Photo/David J. Phillip)

High jump gold medalist Gianmarco Tamberi, left, of Italy, congratulates compatriot Lamont Marcell Jacobs, after he won the final of the men's 100-meters at the 2020 Summer Olympics, Sunday, Aug. 1, 2021, in Tokyo. (AP Photo/Matthias Schrader)

Gold medalist Mutaz Barshim, left, of Qatar and silver medalist Gianmarco Tamberi of Italy celebrate on the track after the final of the men's high jump at the 2020 Summer Olympics, Sunday, Aug. 1, 2021, in Tokyo, Japan. (Christian Petersen/Pool Photo via AP)

Lamont Marcell Jacobs, of Italy, celebrates after winning the final of the men's 100-meters at the 2020 Summer Olympics, Sunday, Aug. 1, 2021, in Tokyo. (AP Photo/Matthias Schrader)

Gianmarco Tamberi, of Italy celebrates with Mutaz Barshim of Qatar after they won joint gold in the final of the men's high jump at the 2020 Summer Olympics, Sunday, Aug. 1, 2021, in Tokyo, Japan. (AP Photo/Martin Meissner)

Yulimar Rojas, of Venezuela, celebrates after winning the final of the women's triple jump at the 2020 Summer Olympics, Sunday, Aug. 1, 2021, in Tokyo. (AP Photo/David J. Phillip)

Yulimar Rojas, of Venezuela, celebrates after winning the final of the women's triple jump at the 2020 Summer Olympics, Sunday, Aug. 1, 2021, in Tokyo. (AP Photo/David J. Phillip)

Lamont Jacobs, left, of Italy, celebrates after winning the men's the 100-meter final with high jump winner Gianmarco Tamberi, also of Italy, at the 2020 Summer Olympics, Sunday, Aug. 1, 2021, in Tokyo. (AP Photo/Petr David Josek)

Yulimar Rojas, of Venezuela, competes in the final of the women's triple jump at the 2020 Summer Olympics, Sunday, Aug. 1, 2021, in Tokyo. (AP Photo/David J. Phillip)

Lamont Jacobs, right, of Italy, celebrates after winning the men's the 100-meter final at the 2020 Summer Olympics, Sunday, Aug. 1, 2021, in Tokyo.(AP Photo/Petr David Josek)

Gianmarco Tamberi, of Italy reacts after he wins joint gold with Mutaz Barshim of Qatar in the final of the men's high jump at the 2020 Summer Olympics, Sunday, Aug. 1, 2021, in Tokyo, Japan. (AP Photo/Martin Meissner)

Raven Saunders, of United States, reacts during the woman's shot put final at the 2020 Summer Olympics, Sunday, Aug. 1, 2021, in Tokyo. (AP Photo/Martin Meissner)

Lamont Jacobs, right, of Italy, wins the men's the 100-meter final at the 2020 Summer Olympics, Sunday, Aug. 1, 2021, in Tokyo. (AP Photo/David J. Phillip)

High jump gold medalist Gianmarco Tamberi, right, of Italy, celebrates with compatriot Lamont Marcell Jacobs, after he won the final of the men's 100-meters at the 2020 Summer Olympics, Sunday, Aug. 1, 2021, in Tokyo. (Alfredo Falcone/LaPresse via AP)

Gold medalist Lamont Marcell Jacobs, centre, of Italy, poses for a photo with silver medalist Fred Kerley, of the United States, and bronze medalist Andre de Grasse, right, of Canada, after the men's 100-meters the men's 100-meters at the 2020 Summer Olympics, Sunday, Aug. 1, 2021, in Tokyo. (AP Photo/David J. Phillip)

Lamont Marcell Jacobs, of Italy celebrates after winning the gold medal in the final of the men's 100-meters at the 2020 Summer Olympics, Sunday, Aug. 1, 2021, in Tokyo, Japan. (AP Photo/Martin Meissner)