[4] Ten days later, he signed with the Greensboro Swarm of the NBA G League as an affiliate player,[5] playing in 37 games and averaging 8.8 points, 2.5 rebounds and 2.8 assists in 19.2 minutes.

[7] Three days later, Williams recorded a career-high 24 points in his debut, along with four rebounds and seven assists in a 123–116 loss to Capitanes de Arecibo.

Williams won the 2019 Belgian League Championship with Oostende, as well as reaching the 2019 FIBA Europe Cup Quarterfinals, where they eventually were eliminated by Pallacanestro Varese.

On July 8, 2019, Williams signed a one-year deal with Hapoel Be'er Sheva of the Israeli Premier League.

[13] On August 10, 2020, Williams signed a one-year deal with Vanoli Cremona of the Italian Lega Basket Serie A (LBA).