Which county that has Santiago Daniel Martinez Roa as a player is sometimes referred to as "Corazón de Sudamérica"?
Santiago Daniel Martinez Roa: Santiago Daniel Martinez Roa (born 16 August 1995 in Limpio) is an Paraguayn football player who plays for Vllaznia Shkodër in the Albanian Superliga as a Midfielder. Paraguay:  Due to its central location in South America, it is sometimes referred to as "Corazón de Sudamérica" ("Heart of South America").
Paraguay