Anyone want to take a stab at what those might look like next year?

I'm doing this with the assumption that Castellanos opts-in for 2021 (and will opt out at the end of 2021), Desclafani signs an extension, while Bauer and Galvis sign elsewhere after hitting the FA market.

I'm also assuming that the DH becomes permanent for the NL in 2021.

Anyway, this is how I see the roster:

Pitching:
Major league roster:
SP Gray
SP Castillo
SP Desclafani
SP Mahle
SP Miley
SP/RP Antone
RP Lorenzen
RP Iglesias
RP Garrett
RP Sims
RP Bradley
???
???

In the wings:
SP Lodolo
SP/RP Santillan
RP Kuhnel

Infield:
1b Moustakas*
2b ???
SS Garcia**
3b Suarez
IF Farmer

Outfield:
LF Winker
CF Shogo
RF Castellanos
OF Senzel
OF Goodwin

In the wings:
OF Aquino

Other:
DH Votto*

*I figure Moustakas makes the most sense to take over at 1b, with Votto becoming the full time DH. That leaves a hole at 2b though. Senzel might fit there, but do we want his fragile body playing the infield?
**The middle infield looks a mess for 2021. Garcia should really be at AAA for the entire season. But that means over-paying for Galvis and I don't see the Reds doing that. Maybe they could woo Villar, but are the Reds willing to spend on outside free agents? I also don't want to lock Farmer in at any one position, as he seems well suited to playing all over.

Thoughts?