He was coached on the AAU circuit by Penny Hardaway last spring and summer and played for the same AAU program this past grassroots season.
The new Memphis coach is going head-to-head with John Calipari over the No. 1 player, James Wiseman.
When Hardaway took over for Tubby Smith at Memphis, there were rumors that Jeffries could flip to the Tigers, but he stuck with his commitment at the time.
The No. 19 prospect in 2019, Jeffries averaged 15.3 points and 7.0 rebounds per game on the Nike EYBL circuit for the Bluff City Legends this season.
Kentucky is down to one commitment in the 2019 class, five-star guard Tyrese Maxey. At No. 7 in the ESPN 100, Maxey is the highest-ranked prospect presently committed.