Lamar Jackson and Tarik cohen for Lesean mccoy and christian kirk?

I plan on trading and im trying to get a new running back becasue i have Saquon.

The rest of my team is:
QB: Deshaun Watson
RB:Dalvin Cook, Saquon Barkley, Tevin coleman
WR: Keenan Allen, Tyler Locket, Terry Mclaurin, John Brown, robby anderson
TE: Evan engram, Vernon Davis
Def: Green Bay

What would you do to get him to take the trade?