Seattle Mariners Prospect Rankings June Update, Scouting Notes

Reading Time: 19 minutesFor this Prospect Rankings Update, here are a couple of notes: Kelenic has done nothing but impress since being drafted No. 6 overall by the New York Mets in last summer’s draft. He’s a grinding worker in the gym and on the field and understands his swing as well as can ever be expected of a 19-year-old in his first full season i…