Gregory MulambaGregory Mulamba is a South African soccer player who played for Austin Aztex in the United [Soccer League|USL].CareerAmateurMulamba enjoyed a seven-year spell with USL PDL side Laredo Heat from 2007 to 2014.ProfessionalMulamba signed his first professional contract with United Soccer League side Austin Aztex in January 2015, before been loaned out to league rivals Oklahoma [City Energy] in March 2015.