I'll take a shot at my projected 2021 Red Sox 26 and 40 man roster on opening day:
Sox in a 3-team deal (accepted on Trade values site):
Sox get
SP Taillon, C Stallings, LF Polanco & 2B Adam Frazier (from PIT)
RP Anderson & CF Kiermaier (from TB)
TB gets
C Vazquez & Groome (from BOS)
PIT gets
Fleming (from TB) & Beni, Chatham & Wong (from BOS)
Brice is traded for non 40 man roster prospect.
Sox sign Brad Hand (Closer), Oliver Perez (LH RP) & Pillar CF
Pedey retires.
26 Man Roster:
IL: Sale (41st man)
SP: Taillon, Eovaldi, ERod, Pivetta, Houck
RP: Hand, Anderson, Barnes, Brasier, DHern, Taylor, O Perez, Whitlock
C: Stallings, Plawecki
1B: Dalbec
2B: Frazier (LHH)
3B: Devers
SS: Bogaerts
LF: Polanco (LHH)/Pillar RHH (CF)
CF: Kiermaier (LHH)
RF: Verdugo
DH: Martinez
UT: Chavis
IF: Arroyo
Remaining 40 man roster players (AAA or AA)
P: Seabold, Mazza, Valdez, Bazardo, Mata, Brewer, Walden, Payamps, Springs
C: Grullon
IF: Arauz, Potts
OF: Wilson, Rosario