The Mets signed him while giving him a $690,000 signing bonus .
Sanchez came to the Mets touted as the 25 top international prospect ( Baseball America ) in 2013 .
The Mets signed Sanchez while giving Sanchez a $690,000 signing bonus .
Sanchez came to the Mets touted as the 25 top international prospect ( Baseball America ) in 2013 .