Question: Which Argentine professional footballer who plays as a defensive midfielder or centre-back for Spanish club FC Barcelona and the Argentina national team was contracted under Alberto Dualib?
Sentence (from "Alberto Dualib"): With MSI's aid, Dualib contracted many stars for Corinthians, like: Carlos Tevez, Nilmar Honorato da Silva, Javier Mascherano, Marcelo Mattos, Roger, Gustavo Nery, Carlos Alberto and others.
Relevant evidence: Yes