OBJ + Miles Sanders for Lev Bell + Dorsett

Looking to trade away OBJ and hoping to get Lev Bell as his schedule looks really enticing moving forward with Darnold under center. Thoughts? Not enough? Too much?

League: 12 team, 0.5 PPR, start 2 FLEX
QB: Josh Allen
RB: M. Sanders, Breida, R. Freeman, Thompson, Lat Murray, Henderson
WR: Tyreek, OBJ, Cooks, AJG, Dem. Robinson, Geronimo, Lazard, Preston Williams
TE: Waller