[12][13] On November 14, 2014, Sabonis solidly debuted by scoring 14 points, grabbing 8 rebounds, and dishing 2 assists, along with one steal and one block in 20 minutes.

[16] On March 10, the Gonzaga Bulldogs defeated the BYU Cougars 91–75 and won the WCC Tournament Title for the third straight time.

[22] The season ended with a loss to the future champions Duke and Sabonis was named to the NCAA Tournament South Regional All-Tournament team.

[25] On August 13, 2015, ESPN placed Sabonis 20th in its NCAA players rankings heading for the 2015–16 season, describing him as "one of the nation's best, and edgiest, rebounders".

Sabonis began his second NCAA season with an outstanding career-high performance of 26 points (FG: 12/13, FT: 2/2); he also added 7 rebounds in a 91–52 win over Northern Arizona.

[30] Two days later, Sabonis improved on another career high by dishing out 6 assists; he also scored 23 points, grabbed 8 rebounds, and led Gonzaga past the Pepperdine Waves 99–73.

[39][40][41] On March 19, he helped his team to advance into the Sweet 16 stage with 19 points, 10 rebounds, 3 assists and 2 steals, crushing the third-seeded Utah Utes 82–59.

[44] Despite his yet another monster performance of 19 points, 17 rebounds (7 offensive) and 5 blocks on March 25, his journey was stopped by the Syracuse Orange during the final match moments, losing 60–63.

[47] On March 29, Sabonis was named to the CBS College Basketball All-America Third-team, along with Ben Simmons, Brandon Ingram, Jamal Murray and Yogi Ferrell.

[49] In early April 2016, several U.S. media reports indicated that Sabonis would declare himself eligible for the 2016 NBA draft and would hire an agent, marking the end of his career at Gonzaga.

[63][64] He did not participate in the 2016 NBA Summer League in order to join the Lithuania men's national basketball team training camp.

[66] He made his debut for the Thunder in their season opener as their starting power forward on October 26, recording five points and four rebounds in 16 minutes, in a 103–97 win over the Philadelphia 76ers.

[76] The Thunder qualified for the NBA Playoffs as the sixth seed, but they were eliminated 4–1 by the Houston Rockets in the first round; Sabonis played just six minutes in the series, as he managed court time in just two of the five games.

[80] Due to the unexpected trade, he not only missed the 2017 NBA Summer League, but was also ruled out from representing the Lithuanian national team during EuroBasket 2017.

[101] On January 21, 2020, Sabonis became the first Lithuanian in the NBA history to record a triple-double with 22 points, 15 rebounds and 10 assists as the Pacers won 115–107 over the Denver Nuggets.

[104][105] Sabonis also participated in the NBA All-Star Weekend Skills Challenge in 2020 and was just 1 shot away from the trophy, after being defeated only in the final by Bam Adebayo.

[106][107] During his first NBA All-Star Game appearance, Sabonis scored 2 points, grabbed 6 rebounds per 19 minutes and helped Team LeBron to win 157–155.

[112] On December 23, 2020, Sabonis started the 2020–21 season with a new career-high of 32 points, along with 13 rebounds, five assists, and one steal, and led his team to a 121–107 victory versus the New York Knicks.

[115] On January 22, 2021, Sabonis set his career's new record of steals by having five of them, along with 18 points, 11 rebounds, and nine assists, his team won 120–118 in OT versus the Orlando Magic after he made a last shot to tie the game in the fourth quarter.

[116] On February 3, 2021, Sabonis improved his scoring record by having 33 points, 12 rebounds, and six assists in just 3 quarters, however his team lost to the Milwaukee Bucks 110–130.

[132] On February 8, 2022, with the Pacers looking to rebuild, Sabonis was traded along with Justin Holiday, Jeremy Lamb and a 2023 second-round pick to the Sacramento Kings in exchange for Tyrese Haliburton, Buddy Hield and Tristan Thompson.

[133] The next day, Sabonis debuted for the Kings in a 132–119 win over the Minnesota Timberwolves, logging 22 points in addition to 14 rebounds and five assists across 32 minutes of play.

[143] On February 1, Sabonis scored a season-high 34 points on 15-of-20 shooting from the field, along with 11 rebounds, four assists, two steals and two blocks in a 119–109 win over the San Antonio Spurs.

[146] On February 23, first game after the All-Star Weekend, Sabonis logged a triple-double with 18 points, 17 rebounds and 10 assists in a 133–116 victory over the Portland Trail Blazers.

[155] On January 3, 2024, Sabonis recorded a triple-double with 22 points, a then season-high 23 rebounds and 12 assists in a 138–135 double overtime win over the Orlando Magic.

[156] On January 29, 2024, Sabonis scored 20 points on 10-of-11 shooting from the field, grabbed a career-high 26 rebounds and delivered 5 assists in a 103–94 win against the Memphis Grizzlies.

[159] On March 25, Sabonis had 11 points, 13 rebounds and 10 assists to become the fifth player in NBA history with at least 25 triple-doubles in a season, joining Nikola Jokic, Russell Westbrook, Wilt Chamberlain and Oscar Robertson.

[165] On December 12, Sabonis recorded a season-high 32 points and 20 rebounds on 11-of-15 shooting from the field and 9-of-9 from the free throw line in a 111–109 victory over the New Orleans Pelicans.

Sabonis made his international debut with the Lithuania U-16 national team at the 2012 FIBA U-16 European Championship, averaging 14.1 points, 14.4 rebounds and 2.4 assists per game.

[178] On July 29, 2015, Sabonis debuted for the Lithuania men's national team in a game against Australia, scoring 4 points and grabbing 7 rebounds.