Phillip did not play basketball as a senior due to eligibility issues, and completed a fifth year at Queen City Prep in Charlotte, North Carolina.

Despite missing the first 14 games due to academic issues, he was named the Kansas Jayhawk Community College Conference Eastern Division Player of the Year and was named an honorable mention Junior College All-American after averaging 18.7 points, 6.7 rebounds and 4.3 assists over the final 18 games of the season.

[3] As a senior, Phillip averaged 9.3 points, 3.2 assists, 3.0 rebounds, and 2.0 steals and was named the Big 12 Sixth Man of the Year.

[6] After leaving Szolnoki, Phillip signed with CB Clavijo of the Spanish Second Division (LEB Oro) on February 13, 2018.

[12] He played for the Wizards' Summer League team, averaging 5.8 points, 1 rebound, 1.2 assists, and 1 steal over four games.

[13] Phillip was released from his contract with the Wizards in order to sign with Tofaş of the Basketbol Süper Ligi (BSL) on August 13, 2019.

[19] On November 20, 2020, he signed with Tofaş of the Turkish Basketbol Süper Ligi (BSL), returning to the club for second time.

[27] On 21 November 2024, Phillip signed with Hapoel Jerusalem of the Israeli Basketball Premier League for a second stint with the team.