If the Phillies turn it around, it's not going to be through FAs, and probably not trades (though a couple good trades would help).
It's going to be the guys we've been watching this year plus a couple others in the high minors:
2019 potential Phillies:
C: Rupp/Alfaro/Knapp
1B: Hoskins
2B: Hernandez/Kingery/Valentin
SS: Galvis/Crawford/Mora
3B: Franco/Walding (trade?)
LF: Williams/Pullin/Tromp
CF: Herrera/Quinn/Tocci/Coppola
RF: Altherr/Cozens
By 2020 Randolph, Moniak, Haseley and Hall will be knocking on the door.
Question will be which players are traded, which players flop, which players settle in for 5-6 years.
By 2019 this could be a very good, deep lineup. The big question mark is Franco at 3B and no viable replacement.
SP: Nola, Eickhof and Pivetta, Eflin, Lively, Leiter, Eshelman, Kilome, Thompson, Anderson, El Garcia, Irvin
RP: Neris, Garcia, Ramos, Rios, Velasquez, Therrien, Arano, Rivero, Waguespack, Sanchez, Morgan, Milner, Singer, Davis
I think Velasquez is headed to the bullpen after next year.
There's going to be a "package" deal 3 or 4 for 1 for a solid SP, just to clear out the logjam by 2019.
There will be another deal involving Hernandez/Galvis, for a 3B or SP.
Rupp will probably stay for stability and to give Alfaro time to grow into the job, with the 40 man logjam, he has more value handling the young pitching staff (unless you pick up a veteran C).
When the turnaround comes, it will be very fast, a couple young pitchers will turn the corner, a trade will bring in a SP and suddenly there will be a solid rotation, same with the bullpen.
On the field, after growing pains in 2018, a set lineup in 2019 will be in the top third in runs scored in 2019.
Kingery/Hernandez (this is why Kingery should start in AAA to work on his plate discipline, as a leadoff hitter he needs his OBP > .350)
Crawford
Altherr
Hoskins
Williams
Herrera
Franco [trade]
Rupp/Alfaro