Should we be adding more to the WR room?

I know I'm going to get flamed for this but considering what some members of the media are saying about the offense it might be good for Mills to get extra help. Apparently Cooks looks like the only real and consistent receiving threat. The TEs are "moving in slow motion" and the other WRs are inconsistent. This doesn't bode well for Mills'development. Maybe we can get Emmanuel Sanders. Yes he's a bit older but maybe that's why he'll come for cheap and be a mentor. Idk I'm not a big fan of the depth behind the top 3 receivers (Cooks, Metchie and Collins). He might still have a year of solid play left in the tank and it's still early so there's no problem cutting ties if he stinks.