Tough RBs selection

I am in a PPR with two RB and one Flex positions. My choices are Gordon, Peterson, Mixon, and Connor. I need to bench one of these RBs. After my preliminary review, I think Gordon and Peterson should be two of the choIces. My QB is Rivers which gives me a stacking benefit. Peterson has an easy day with TB. Mixon and Conner have tougher times.

Need the foot clan help with this one.

bench peterson of those 4