Early in the minor league season, several prospects in the Red Sox system have made notable contributions. In Triple-A Worcester, Richard Fitts has impressed on the mound, while Chase Meidroth has been a standout with his on-base skills. At Double-A Portland, Marcelo Mayer has continued his hitting streak, and Zach Penrod has emerged as a promising young reliever. In High-A Greenville, Kristian Campbell has showcased his power, while Luis Ravelo has improved his offensive production. In Single-A Salem, the Garcia brothers, Jhostynxon and Johanfran, have shown impressive power.