sentences:  In the 2007 winter transfer window Marcos moved to Neftchi Baku on loan till the end of the season.After taking Azerbaijani citizenship in 2007, Marcos made his debut for Azerbaijan on 7 March 2007 in a 1-0 victory over Uzbekistan in the Alma TV Cup.His second, and last appearance for Azerbaijan, came four days later against Kyrgyzstan, also in the Alma TV Cup.