Here is the New York Mets 40 man roster as it stands today. Their are 10 players that have been added to the roster since the end of the season. 11 if you want to add Chris Carter from the Billy Wagner trade last season though he was not added to the roster till after the end of the season as the player to be named later.   If you want to add Jack Egbert who was added to the roster on 9/25/09 then you can say say 12 new players that have been added to the roster.mets-40-man-roster-2010