https://bosoxinjection.com/breakout-red-sox-prospects-at-every-position-ahead-of-pivotal-offseason
Hunter Noll is always a good follow and he has a list of breakout prospects for this season.
C Primera
1b Brannon (believes he looks "legitimate" at 1b)
2b Liendo
3b Winnay
SS Alcantara (based on leadership qualities)
OF Jackson, Opata, Gonzales
DH R Hernandez
P Delzine, Futrell, Gilman, Morgan, Wehunt, Brooks (noted high k rates for Gilman and Brooks)