Title Game Sit/Start Help

I appreciate any feedback on my roster below for the championship game. I am defending my title from last season in a redraft league.

Current starters:
Lamar Jackson at QB
DJ Moore at WR
AJ Brown at WR
Chris Carson at RB
Miles Sanders at RB
Hunter Henry at TE
Le’Veon Bell at FLEX
Seibert at K
San Francisco at DEF

Bench:
Tannehill
Kupp
Dion Lewis (might drop)
Marcus Johnson (dropping)
Ginn Jr. (dropping)

Free agents:
Fitzpatrick QB
Dalton QB
Perriman WR
Shepard WR
Miller WR
Westbrook WR
Ward WR
Mattison RB
Boone RB
Kerryon RB
Howard TE
Fant TE
Gesiki TE
Den DEF
Ind DEF
Atl DEF

My opponent is solid with the following roster.
Current starters:
Brees QB
Locket WR
Mike Williams WR
Elliott RB
Fournette RB
Higbee TE
Gurley RB
Gould K
NE DEF

Bench:
Landry WR
Parker WR
Michel RB
Laird RB
Doyle TE

If you can start a WR at flex then bench Bell and plug in Kupp. That’s what I would do