by Matt SnyderFiled under: MLB New StudsNew Studs on the Block takes a look at players ready to make the leap from "possibly productive fantasy player" to "must-have fantasy stud." This is not a "you've never heard of this dude, but ... " series -- these should be names you already know.Sunday, Justin Upton was named to the National League All-Star team for the first time in his career. If you've been following this for even the slightest amount of time, ...