Professional career
After going undrafted in the 2014 NBA draft, Jefferson joined the Denver Nuggets for the 2014 NBA Summer League.[1] In July 2014, Jefferson signed his first professional contract with Finnish club KTP-Basket.[2]
In July 2015, Jefferson signed with German Club Phoenix Hagen.[3]
On September 2, 2016, Jefferson signed a one-year deal with Slovenian club Union Olimpija.[4]
On July 18, 2017, he signed a one-year deal with Italian club Pallacanestro Trapani.[5]
Jefferson signed a deal with Orléans Loiret Basket of the French second division LNB Pro B on August 9, 2018.[6] He was named the Pro B Most Valuable Player of the 2018–19 season. During the 2019–20 season, Jefferson averaged 16.1 points and 3.9 assists per game. On August 30, 2020, he signed with SIG Strasbourg.[7] Jefferson averaged 16.2 points and 3.4 assists per game.
On August 9, 2021, he signed a two-year deal with Élan Béarnais.[8]
On June 11, 2022, he signed with Tianjin Pioneers of the Chinese Basketball Association.[9]
On December 23, 2023, he signed with Dinamo Sassari of the Lega Basket Serie A (LBA).[10]
On December 18, 2024, he signed with JL Bourg of the LNB Pro A.[11]
On August 8, 2025, Jefferson signed with Greek club Karditsa.[12]
On April 27, 2026, Jefferson signed with Dreamland Gran Canaria of the Liga ACB.[13]
.jpg)