For me with corners it's speed, arm length, and that ability to quickly change directions I look for (backpedal to drop into a sprint + lateral agility type stuff) and can they flip their hips (Pause).
If what D Money/Cribby said is true about potential staff changes and if Addae is one of those potential changes can we really expect a lot of portal activity in the secondary realistically speaking until a new DB coach is installed