Originally projected as a second-round pick, Jeffries went undrafted in the 2019 NBA draft. He signed with the Orlando Magic on June 21, 2019.[2] Reportedly, he declined a two-way deal in order to compete for a roster spot with the team.[3] On October 19, 2019, the Magic released Jeffries.[4]
Sacramento Kings (2019–2021)
Jeffries then signed a two-way contract with the Sacramento Kings on October 21, 2019.[5] Under the terms of the deal he will split time between the Kings and their NBA G League affiliate, the Stockton Kings. On December 13, Jeffries tallied 44 points, nine rebounds and two blocks for Stockton in a victory over the Sioux Falls Skyforce.[6] He suffered an undisclosed injury later in December.[7]
On November 28, 2020, Jeffries was signed to a standard contract by the Kings.[8] On April 3, 2021, Jeffries was waived by the Kings. He appeared in 31 games in two seasons.[9]
Houston Rockets (2021)
On April 5, 2021, the Houston Rockets claimed Jeffries off waivers.[10] On May 13, he was waived by the Rockets after 13 appearances.[11]
On October 7, 2021, the Atlanta Hawks signed Jeffries.[13] However, he was waived on October 15.[14] In October 2021, Jeffries signed with the College Park Skyhawks.[15] He averaged 15.4 points and 2.4 rebounds per game.[16]
Memphis Grizzlies (2022)
On January 1, 2022, Jeffries signed a 10-day contract with the Memphis Grizzlies via the hardship exemption.[16] He appeared in three games during this stint, scoring 2 total points. On January 11, 2022, Jeffries was reacquired by the College Park Skyhawks.[17]
On November 29, 2022, Jeffries signed a two-way contract with the New York Knicks after playing well for their NBA G League team, the Westchester Knicks.[21] On March 5, 2023, the Knicks converted Jeffries' deal to a 10-day contract,[22] then signed him to a second 10-day contract on March 16[23] and on March 26, they signed him to a standard deal.[24] On December 30, 2023, Jeffries was waived by the New York Knicks.[25]
On January 2, 2024, Jeffries re-joined the Westchester Knicks[26] and on February 22, he was signed to a 10-day contract.[27] On March 3, he returned to Westchester[28] and on March 14, he rejoined New York on another 10-day contract.[29] On March 25, he signed with New York for the rest of the season.[30]