Projected 2019-20 Roster - fill in the missing pieces

[bcgenuis]

C: Horford
PF: Davis
SF: Hayward
SG: Brown
PG: Irving

Bench:
Bigs: Baynes, Theis, Williams
Wings: Morris, Ojeleye, ??
Guards: Rozier, (Wanamaker, RJ Hunter, Dozier)

Gone: Tatum, Smart and Yabusele to NOP for Davis
Resigned: Irving, Rozier and Morris
Weak links: SF and G depth

Who are potential FA's to fill bench,  Looking for D&3 and grit.

Is IT a fit a backup PG? Would he take the MLE?
Thoughts on Patrick Beverly? TJ McConnell?