Julio Rodriguez, Double-A Arkansas (Mariners)—The No. 3 prospect in baseball has been excellent this season and has hit even better since arriving at Double-A on June 29. Rodriguez collected two more hits, including a double, in three at-bats on Wednesday, raising his slash line to .385/.543/.577 with a homer, four RBIs and eight walks in eight games in the upper minors.
How good is this guy going to be?