[1] He missed a game in December 2015 due to an illness, thought to be linked to an E. coli outbreak at a Chipotle.

[4] However, he had a stress fracture of the left fibula and missed every game for the Warriors after March 4.

On July 24, 2017, Clifford was reported to have signed with Alba Berlin to a one-year deal.

[12][13] On August 19, 2021, Clifford signed with Benfica of the Liga Portuguesa de Basquetebol.

[14] In December 2024, Clifford signed with the Rajawali Medan of the Indonesian Basketball League (IBL).