Keep League Advice - Mixon & Mack for Ingram

I am in a 12 team league .5 point - 3 player 1 year keeper

My team
QB - Wents & Winston
WR - Green, Crabtree, Fitz, Bryant, Inman & Woods
RW - Gurley, McCoy ( rental can’t keep ),Collins,Mack,Mixon

Offering
Mixon & Mack for Ingram - My record is 6-2 currently in 2nd.
Looking to bulk up line up for playoffs.