Millsap attended Grambling High School, averaging 29.8 points and 14.5 rebounds as a senior, earning the MVP on the Louisiana Class A ranks.
College career
Millsap attended Louisiana–Lafayette, playing in 53 games and starting 40 while averaging 9.4 points, 5.4 rebounds and 1.5 steals as a sophomore. After two years, he transferred to Alabama-Birmingham, where he averaged 16.1 points per game as a senior, earning an All-Conference USA selection.
On January 13, 2014, Millsap signed with Maccabi Ashdod for the rest of the 2013–14 season. On March 19, he left Maccabi and returned to the United States. Ten days later, he was re-acquired by the Los Angeles D-Fenders. In July 2014, Millsap joined the Philadelphia 76ers for the 2014 NBA Summer League. On September 27, he signed with the Milwaukee Bucks. However, he was later waived by the Bucks on October 16. On October 30, Millsap was reacquired by the Los Angeles D-Fenders. The next day, he was traded to the Bakersfield Jam.
On January 5, 2015, Millsap signed a 10-day contract with the Utah Jazz and made his NBA debut that night against the Indiana Pacers. In just over 18 minutes of action, he recorded 2 points, 5 rebounds, 4 assists and 1 steal in a 105–101 loss. On January 15, he signed a second 10-day contract with the Jazz, and on January 25, he signed a multi-year contract with the Jazz. On January 5, 2016, Millsap was waived by the Jazz.
On January 23, 2016, Millsap signed with Maccabi Tel Aviv of the Israeli League for the rest of the season. On March 10, 2016, he was released by the club after appearing in six games.
On September 15, 2016, Millsap signed with the San Miguel Beermen for the team's 2016 PBA Governors' Cup playoff run. He helped San Miguel reach the semi-finals, where they were defeated 3–2.
On October 31, 2016, Millsap was acquired by the Northern Arizona Suns of the NBA Development League. With the Suns in 2016–17, Millsap led the team in scoring, steals, minutes and double-doubles. He was second on the team in rebounding with 7.9 rebounds per game, and third on the team with 4.0 assists per game. He was the only Suns player to start all 50 games, and was one of three players to play in all 50 Northern Arizona games on the year. In their season finale on April 1, Millsap dropped a career-high 38 points on 12-of-24 shooting, including 7-of-12 from distance, against the Reno Bighorns. Millsap scored 30+ points four times and 20+ points 23 times during the season.
On April 9, 2017, Millsap was called up from Northern Arizona and signed a multi-year contract with the Phoenix Suns. He made his debut for Phoenix later that day, recording two rebounds and one assist in 12 minutes off the bench in a 124–111 win over the Dallas Mavericks. He would later be cut from the roster on October 14, 2017 as the Suns trimmed their roster down to the newly implemented 17 players.
On December 18, 2018, Millsap signed for CB Breogán of the Spanish Liga ACB. On March 19, 2019, Millsap parted ways with Breogan after playing 11 games with the Galician side.
NBA career statistics
Regular season
Personal life
Millsap was born in Grambling, Louisiana. He has three brothers who also play basketball: John, Paul and Abraham.