This is way too early, but this is my pre-training camp 53 man roster. So I am going under the assumption that we will still have the 16 man practice squad. It probably will have older players on it too. So here we go.
Offense (25)
QB
Ben Roethlisberger
Dwayne Haskins
Mason Rudolph
RB
Najee Harris
Anthony McFarland
Kalen Ballage
Benny Snell
Derek Watt (FB)
WR
JuJu Smith Schuster
Chase Claypool
Diontae Johnson
James Washington
Ray Ray McCloud
TEs
Eric Ebron
Pat Freiermuth
Zach Gentry
OL
Zach Banner, RT
Kevin Dotson, G
B.J. Finney, C
Kendrick Green, C
Joe Haeg,T
J. C. Hassenauer, C
Dan Moore, T
Chuks Okorafor, LT
Trai Turner, G
Defense (25)
DL
Tyson Alualu
Isaiah Buggs
Carlos Davis
Cameron Heyward
Isaiahh Loudermilk
Stephon Tuitt
Chris Wormley
LB
Devin Bush
Ulysees Gilbert
Alex Highsmith
Buddy Johnson
Miles Killebrew
Quincy Roche
Robert Spillane
T.J. Watt
DB
Shakur Brown
Antoine Brooks
Terrell Edmunds
Minkah Fitzpatrick
Joe Haden
Justin Layne
Arthur Maulet
Tre Norwood
James Pierre
Cameron Sutton
Specialists
K Chris Boswell
LS Kameron Canaday
P Pressley Harvin
PS
DeMarcus Acy, CB
Marcus Allen, ILB
Calvin Bundage, OLB
T.J. Carter, DE
Rashaad Coward, G
Anthony Coyle, T
Josh Dobbs, QB
Trey Edmunds, RB
Mark Gilbert, CB
Isaiah McKoy, WR
Henry Mondeaux, DE
Kevin Radar, TE
Tegray Scales, ILB
Matthew Sexton, WR
Sam Sloman, K
Lamont Wade, SS
I put most in alphabetical order not as a depth chart.