Justin Dunn Sharp, Luis Liberato Perfect: Mariners Prospect Wrap — May 15, 2019

Reading Time: 4 minutes(Photo of Jarred Kelenic via West Virginia Power) The Mariners had the day off before the Twins roll into town Thursday when former Mariners right-hander Michael Pineda takes the mound versus Erik Swanson. Here’s the day down on the farm: No. 1 Justus Sheffield, LHS WED: DNP 2019: 32.1 IP, 26 H, 15 ER, 25 BB, 26 SO, 4.31 ERA No. 8…