He impressed in Argentina , but was unable to stay due to his age .
Nicknamed Ruso , Flores was signed by top Argentine side River Plate and played for River Plate 's Reserves team in 2006 -- 2008 .
Flores impressed in Argentine , but was unable to stay due to Flores ' age .
Nicknamed Ruso , Flores was signed by top Argentine side River Plate and played for River Plate 's Reserves team in 2006 -- 2008 .