This article references Isan Diaz, Keston Hiura, Ozzie Albies, Scott Kingery, Willie Calhoun, Yoan Moncada and more! The keystone should be a position for players developed to keep everything together, both offensively and defensively. However, that is not the case in most years. It is generally comprised of athletes that move off of shortstop for one reason or another. Therefore, the position is usually very thin in the minor leagues. It is even thinner this year with the promotions of Yoan Moncada, Ozzie Albies, and Willie Calhoun. Today we will discuss a few players whose trajectory are going higher a[...]Keep on reading: Three Up, Three Down – 2018 Second Base Prospects