Christmas attended Northeast Catholic High School in Philadelphia, Pennsylvania between 2007 and 2009, before his junior year he transferred to Academy of the New Church in Bryn Athyn, Pennsylvania. As a junior, he averaged 13.0 points, 7.5 rebounds, and 3.0 blocks per game. During his senior season, he averaged 11.0 points, 9.6 rebounds, and 3.9 blocks per game. He was rated as the #21 player in the class of 2011 by Scout.com. He was rated as the #27 player by Rivals.com. He was named to the Class A first team as a junior.
College career
Christmas committed to Syracuse basketball on August 6, 2010 after his junior season in high school. He started playing for Syracuse in the 2011–12 season and contributed all four seasons that he was with the team.
On June 25, 2015, Christmas was selected by the Minnesota Timberwolves with the 36th overall pick in the 2015 NBA draft. His rights were then traded to the Cleveland Cavaliers along with those of Cedi Osman and a future second-round pick in exchange for the rights of Tyus Jones. He later joined the Cavaliers for the 2015 NBA Summer League, where he averaged 8.0 points and 4.5 rebounds in four games. On July 23, 2015, his rights were traded again, this time to the Indiana Pacers in exchange for a 2019 second-round pick. Four days later, he signed with the Pacers. Christmas spent the majority of the 2015–16 season on assignment in the NBA Development League with the Fort Wayne Mad Ants. On January 29, 2016, he was named in the East All-Star team for the 2016 NBA D-League All-Star Game. In the Pacers' 2015–16 regular season finale, Christmas made his NBA debut, scoring four points and making both his field-goal tries off the bench in a 97–92 win over the Milwaukee Bucks. He spent more time with the Pacers in 2016–17, appearing in 29 games, but still received multiple assignments to Fort Wayne. On July 7, 2017, Christmas was waived by the Pacers.
On July 18, 2019, it was reported that Magnolia Hotshots had added Christmas to their roster.
Ormanspor (2019–present)
On August 21, 2019, OGM Ormanspor announced that they had added Christmas to their roster.
NBA career statistics
Regular season
Personal life
Christmas and his mother Landra Hamid moved to St. Croix when he was 2 years old. While he lived in the Virgin Islands, his mother died due to kidney failure at the age of 28. After his mother died, he remained in St. Croix and was raised there by his grandmother, Evelyn Hamid. When he was 13 years old he moved to Philadelphia, Pennsylvania to live with his aunt, Amira Hamid, who became his legal guardian. Christmas was initiated as an honorary member of the Alpha Epsilon Pi fraternity during his sophomore year at Syracuse University. Christmas is thought to be the first player in Syracuse men's basketball history to finish his undergraduate degree in 3 years. Christmas' partner is Jasmine Jordan, the daughter of Michael Jordan. On Christmas 2018, Christmas and Jordan announced that they were expecting a child. Their son was born in May 2019.