Give up CMC?

I was offered David Montgomery and Stephon Diggs for CMC. I’m honestly not sure if I should make this trade or not. Looking for some opinions. Its .5PPR and I am currently 2-1.

RB-Zeke, CMC, CEH, Moss, McKissic, Carter, Mack
WR-JJ, McLaurin, Pittman, Edwards, Marshall, CUrtis Samuel