Napoli Basketball announces the signing of Kaleb Tarczewski for the 2026–2027 season. Tarczewski, born in Claremont, New Hampshire, in 1993, is a 213 cm center.
A Product of the University of Arizona, he played for the Wildcats for four seasons, from 2012 to 2016. In his final college season, he scored 9.4 points and 9.3 rebounds per game. In 2016–2017, he played in the D-League with the Oklahoma City Blue, averaging 9.8 points and 7.2 rebounds. During the same season, Tarczewski began his long stint with Olimpia Milano, coached by Jasmin Repeša. He finished his first season with the club scoring 6.1 points and 5.1 rebounds per game.
The American player would remain in Milan for six seasons, playing a key role in the club's successes. With Olimpia, he won two Italian League championships, in 2018 and 2022, two Italian Cups, in 2021 and 2022, and three Italian Super Cups, in 2017, 2018 and 2020. During his time with Olimpia, Tarczewski played his best season in 2018–2019, scoring 11.4 points and 6.4 rebounds per game. Napoli Basketball's new player also made his mark in the EuroLeague, averaging 8.1 points and 5.8 rebounds during the 2019–2020 season. In 2021, still with Milan, he reached the EuroLeague Final Four.
After leaving Milan as a veteran, having set the club's record for EuroLeague appearances by surpassing 100 games, Tarczewski moved to Japan, where he spent three years playing for the Gunma Crane Thunders in the Japanese league. In the 2023–2024 season, he averaged 11.5 points and 7.8 rebounds, while the following season he posted 10.8 points, 7.4 rebounds and 2.4 assists per game. Last season, 2025–2026, the American big man played for the Yokohama B-Corsairs, averaging 9 points and 8.4 rebounds.