Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Erasmo José Ramírez Olivera (born May 2, 1990 in Rivas, Nicaragua) is a Nicaraguan professional baseball player who currently plays in the Seattle Mariners minor league organization. He signed with the Mariners in 2007, and made his professional debut in 2008 with the Venezuelan Summer League Mariners. In 2009, with the Venezuelan Summer League Mariners, he was selected as the Seattle's minor league pitcher of the year. In 2010, Ramírez played with the Class-A Clinton LumberKings.