Prienai (2018) and brother
LaMelo after an
exhibition game against the
London Lions in 2018 Although Ball was not considered an NBA prospect at the time, he planned on preparing for the
2018 draft with his father after leaving UCLA. On December 11, 2017, he signed with
Prienai of the
Lithuanian Basketball League (LKL), along with his younger brother LaMelo, who left Chino Hills before his junior season. The brothers' move to Lithuania was heavily reported by American sports media. Prienai withdrew from the
Baltic Basketball League upon their arrival and took part in various exhibition games sponsored by his family's sports apparel company,
Big Baller Brand. In his professional debut on January 13, 2018, Ball went scoreless in a 95–86 loss to
Lietkabelis. On February 11, he made his first start, recording 13 points in a 97–95 victory over
Šiauliai. On March 25, Ball scored a season-high 28 points with six three-pointers in a loss to
Nevėžis. On March 27, 2018, he announced that he would enter the 2018 NBA draft, even though most analysts believed that he was a long shot to be selected. On April 19, Ball injured his ankle and left early versus
Juventus Utena. On April 25, Ball left Prienai with his family, with their father being critical of head coach
Virginijus Šeškus. He finished the LKL season averaging 12.6 points and 2.7 rebounds per game, shooting 41.5% from the three-point line. Ball was not selected at the 2018 NBA draft.
Los Angeles Ballers (2018) On July 9, 2018, Ball signed with the
Los Angeles Ballers of the
Junior Basketball Association, a league founded by his father as an alternative to college basketball. He joined in the middle of the season and made his debut on July 14, tallying 53 points, 10 rebounds, and 10 assists. Ball was named to the West roster for the JBA All-Star Game and was named co-MVP of the game after scoring 39 points. Ball recorded 39 points, 15 rebounds, 7 assists, and 3 steals in a 202–189 win to claim the All-Star Game MVP award. In his first playoff game, he scored a season-high 58 points in a 157–134 win over the
Philadelphia Ballers. On August 12, Ball matched his season high of 58 points, 11 rebounds, and 6 assists in a Finals victory over the
Seattle Ballers and was subsequently named Finals MVP. At the end of the season, Ball was among 14 players in the league named to the JBA USA select Team, which faced several European teams on an international tour.
Greensboro Swarm (2021–2023) In July 2019, Ball underwent surgery for an ankle injury and missed the
NBA Summer League. On December 29, he signed with the
Oklahoma City Blue of the
NBA G League as a practice player. On March 9, 2020, he signed with the Blue by waiver claim. The Blue played just one game, which Ball did not play in, before the remainder of the season was cancelled due to the
COVID-19 pandemic. On December 2, 2020, Ball was signed to a training camp contract by the
Detroit Pistons. On December 13, he was waived without playing in a pre-season game. In the summer of 2021, Ball was invited by his brother LaMelo to work out with his team, the
Charlotte Hornets. The Hornets allowed their players to bring in one workout partner. The Charlotte staff was impressed observing Ball, and he earned a spot on their Summer League team. In his summer league debut, he had five three-pointers in 16 minutes. On October 14, 2021, Ball was signed by the Hornets. However, he was waived the next day. On October 23, 2021, Ball was selected by the
Greensboro Swarm 14th overall in the
2021 NBA G League draft. He scored 22 points in his G League debut. Ball joined the
Charlotte Hornets for the
2022 NBA Summer League. On September 26, 2022, Ball signed a non-guaranteed contract with the Hornets. He was waived on October 15, 2022. On October 23, 2022, Ball rejoined the Greensboro Swarm roster for training camp.
Astros de Jalisco (2024) On February 14, 2024, it was announced that Ball had signed with the
Astros de Jalisco of the
Circuito de Baloncesto de la Costa del Pacífico (CIBACOPA) in Mexico. He made his team debut in their season opener on March 1, recording no stats in six minutes of play in a 77–72 win against the
Frayles de Guasave. After playing only two games, Ball left the team due to a ligament injury in his left ankle, choosing to rehabilitate in the United States.
Retirement (2025) On August 6, 2025, Ball confirmed his retirement from basketball, shifting his focus to music following the success of his single, "Tweaker". == Career statistics ==