The basketball player has moved from Los Angeles to the Basque city of Vitoria-Gasteiz, in the north of Spain after signing a contract with team Laboral Kutxa.
A representative of the team confirmed to UsMagazine.com that the former LA Lakers star had signed a two-month contract with an option to extend to the end of the season.
Lamar arrived in Spain on Tuesday and will be officially presented as a new player for Laboral Kutxa later in the week.
The 34-year-old sportsman was served divorce papers from Khloé in December, ending months of speculation about the state of the pair's four-year marriage.
The reality TV sister cited irreconcilable differences as the reason for their split when she filed for divorce at Los Angeles County Superior Court.