Pick up a playoff Def now?

Is it too early to stash a Def.

I am 6-2 and play the 1-7 team and 2-6 teams the next 2 weeks.

My def right now is the Texans.

Vikings def and Pats defenses are on the waivers…

Do I drop Taylor Gabriel for either of those def right now?

Playoff schedule
Vikings -@seattle, MIA, @Det
pats-@Mia, @Pit, buffalo