Start/Sit Advice - PPR

Looking for some advice for my starting lineup. My current lineup is:

QB: Mahomes

RB1: Barkley

RB2: TBD

WR1: Diggs

WR2: Keenan Allen

TE: Kittle

FLEX (W/R/T): TBD

DEF: Seattle

K: McManus

Bench: Godwin, McLaurin, Addison, Javonte Williams, Najee, Hunt, Pollard (BYE), Elijah Mitchell, Conner (IR), Eagles

For PPR: who would you recommend I put in at FLEX and RB2? Other RB options on Waivers are Justice Hill, Lat Murray, Craig Reynolds, Keaontay Ingram, Jeff Wilson, Freeman, and Zeke.

Right now, I’m thinking Najee and Addison but want to know what everyone else thinks.

You made the best available choices.