Memphis Grizzlies (2015–2018) On June 25, 2015, Martin was selected with the 25th overall pick in the
2015 NBA draft by the
Memphis Grizzlies. Four days later, he revealed that a stress fracture in his foot would prevent him from playing in the
Summer League. Despite the injury, he signed his rookie scale contract with the Grizzlies on July 10. Less than two months later, Martin sustained another foot injury, this time fracturing his left foot after colliding with another player during a workout. On December 18, he made his NBA debut in the Grizzlies' 97–88 loss to the
Dallas Mavericks. His minutes increased post All-Star break thanks to multiple injured teammates. Having scored eight points total in his NBA career up until March 7, 2016, Martin had 15 of his career-high 16 points in the first half of the Grizzlies' 116–96 loss to the
Boston Celtics on March 9. During his rookie season, he had multiple assignments to the
Iowa Energy, the Grizzlies'
D-League affiliate. On October 30, 2016, Martin made his first career start, recording four points and five rebounds in 19 minutes in a 112–103 overtime win over the
Washington Wizards. On November 28, 2016, he posted his first career double-double with 11 points and 12 rebounds in a 104–85 loss to the
Charlotte Hornets. During the 2016–17 season, he had multiple assignments to the Iowa Energy. During the
2017–18 campaign, Martin played in 73 games (36 starts) for the Grizzlies, averaging 7.7 points, 4.4 rebounds and 1.0 assists in 22.7 minutes per game. He scored in double figures 23 times, including a career-high 20 points on December 27 against the
Los Angeles Lakers. Martin led (or tied) the Grizzlies in scoring once, in rebounding four times and in assists once. He pulled down 10+ rebounds five times, including a career-high 14 boards on March 28 against the
Portland Trail Blazers, and recorded two double-doubles. With the Magic in the
2018–19 season, he played in 42 games (one start) and averaged 2.7 points and 1.7 rebounds in 7.8 minutes per game. He was waived by the Cavaliers on October 19, 2019.
Shenzhen Aviators (2019–2020) On December 5, 2019, Martin joined the
Shenzhen Aviators of the
Chinese Basketball Association (CBA) to replace
Shabazz Muhammad. On January 14, 2020, he was replaced by
Allerik Freeman.
Rio Grande Valley Vipers (2020) On February 1, 2020, Martin was acquired by the
Rio Grande Valley Vipers of the NBA G League.
Sydney Kings (2020–2022) On December 2, 2020, Martin signed a one-season (plus option) contract with the
Sydney Kings of the Australian
National Basketball League (NBL). He averaged 18 points and seven rebounds per game during the
2020–21 season. On June 26, 2021, Martin recommitted to the Kings for the
2021–22 NBL season.
Maccabi Tel Aviv (2022–2023) in 2022 On July 4, 2022, Martin signed a two-year deal with
Maccabi Tel Aviv of the
Israeli Premier League. In 38 EuroLeague games, he averaged 7.2 points and 3.5 rebounds in 19 minutes per contest. His contract was terminated on July 17, 2023.
Galatasaray (2023–2024) On July 20, 2023, Martin signed with
Galatasaray Ekmas of the
Basketbol Süper Ligi (BSL). In December 2023, he suffered a
patellar tendon rupture in his right knee during a round 11 BSL game.
Adelaide 36ers (2024–2025) On August 1, 2024, Martin signed with the
Adelaide 36ers for the
2024–25 NBL season. Having recovered from his patellar tendon injury, but dealt with a foot complaint during the pre-season that ruled him out until November 2024.
Suwon KT Sonicboom (2025) On March 10, 2025, Martin signed with the
Suwon KT Sonicboom of the
Korean Basketball League, replacing
Jordan Morgan. On March 19, the team completed the registration. On March 24, he was ruled out for the remainder of the 2024–25 season after suffering a stress fracture in his toe, and was replaced by
Derek Culver. ==Career statistics==