I'm leaning more to the view that the Braves will move to bolster the back end of their pen. Britton makes a certain amount of sense given he has pitched in the AL East. Ditto for David Robertson. This is how I could see the post-season going.
1) Sign Pollock or Brantley 3 years at an AAV of 13M
2) Sign Britton or Robertson 2-3 years at an AAV of 13M
3) Sign a versatile infielder such as Escobar, Gonzalez or Cabrera 2-3 years at an AAV of $10M
4) Re-sign Suzuki 1 year at $5M
5) Re-sign Sanchez 1 year at 6M
Total expenditures $47M
Pen would be: Robertson/Britton, Viz, Winkler, O'Day, Minter, Venters, Biddle, Freeman
Carle and Sobotka have options and can start the year at AAA.
That's "deep depth" for the pen.
Bench would be: The infielder signed above (he would play 2-3 times a week), Culberson (play once a week), Duvall (play against lefties allowing us to rest either Ender or Pollock/Brantley).
Riley would start the season in AAA.
Starting in spring training, we should begin deploying players in a greater variety of roles. Camargo should be asked to buy an outfielders glove this winter and given some games there in spring training. Albies should be given some games at short and center in spring training.
Rotation coming out of spring would be: Folty, Gausman, Sanchez, Julion and Newcomb.
We know that normally 8 starting pitchers are needed to navigate a full season.
By leaning on the free agent market rather than trades we can avoid giving up any significant prospects. We hold on to Riley, Pache, Contreras and Waters. We hold on to the pitchers. Very likely that Fried, Touki, Gohara and Soroka come into play in the major league rotation or major league pen at some point in 2019.
So we have a solid versatile bench. And "deep depth" regarding both the rotation and pen.
The only task left somewhat unaccomplished is upgrading catcher. But given that this would likely involve a risky contract for Grandal or giving up significant prospects for Reamulto, I'm good with emphasizing upgrades elsewhere and going with the status quo at catcher.