Martínez signed with the Cardinals as an international free agent in 2010.
Rivera signed as an international free agent in February 1990.
"You bump into an American and the way they evaluate the fair is by how much they've sold," said an international literary agent.
He was signed by the Red Sox as an international free agent in 2007.
Ibarra signed with the Yankees as an international free agent in 2006.
The Yankees signed him as an international free agent with the understanding that he would try catching.
Rodríguez signed with the Rays as an international free agent.
Local contacts rather than international agents would be useful.
Salazar signed with the Indians as an international free agent in 2008.
Asencio signed with the Padres as an international free agent in 2009.