The Mets have added SS Amed Rosario, RHP Marcos Molina, OF Wuilmer Becerra, RHP Chris Flexen, and C Tomas Nido to the 40-man roster, which will protect them from December's Rule 5 Draft.
The deadline for teams to file their list of minor-league players that will be protected was today.
"Generally speaking, college players drafted in 2013 and high school players drafted in 2012 are Rule 5 Draft eligible this offseason," Joe Rodgers of the Sports News recently explained.
According to TPG Mets, which does a terrific job keeping tabs on the roster, Mets 2B prospect L.