In the 2015–16 LNB Pro A season, Booker was named the league's Most Valuable Player.

[2] In 2016, Booker agreed to join the New York Knicks for the NBA Summer League.

[5] On July 16, 2019, Russian club Khimki announced that they had signed Booker to a one-year deal.

[6] On July 5, 2020, Booker officially renewed his contract with the Russian club Khimki with an option for an additional year, which also competes in the EuroLeague.

[7] On June 16, 2021, Booker signed a two-year deal with Fenerbahçe of the Turkish Basketball Super League.