Trade Keenan Allen for Ty Montgomery?

My RBs
David Johnson
Dalvin Cook
Isaiah Crowell
Doug Martin
Jacquizz Rodgers

My WRs
Amari Cooper
Keenan Allen
Tyreek Hill
Adam Thielen
Ted Ginn
Marquise Lee

Their RBs
Demarco Murray
Carlos Hyde
Ty Montgomery
Mike Gillislee
Terrance West
Darren Sproles

Their WRs
Michael Thomas
Emmanuel Sanders
Tyrell Williams
Jeremy Maclin
Zay Jones

If its PPR i like the trade… You still have good WRs with Hill, Thielen and Cooper… Losing DJ and making this trade will help IMO