Claim: Luis Estaba was nicknamed Lumumba, he beat and lost to other boxers.
Evidence: He was nicknamed Lumumba, because of his resemblance to Congolese leader Patrice Lumumba. He beat Pedro Garcia by a knockout in one on February 28 of that year. He kept his winning streak until losing a ten round decision to Natalio Jimenez in Caracas in 1968. Luis Alberto Estaba (born August 13, 1938) is a former boxer from Venezuela, who was born in Macuro, South American point of entry for Cristopher Columbus. 
Lumumba 41 9 
Being forced into retirement, he left the sport of boxing with 41 wins, 9 losses and 2 draws, 27 wins having been by knockout. He was nicknamed Lumumba, because of his resemblance to Congolese leader Patrice Lumumba.