If I'm the DC though I'm going to make you prove that Stafford can make the throw and that Ebron can make the catch before I change anything to my coverage on CJ. Week six or so we should have the answer to that question.
Pettigrew should've given the Lions the same type of weapon when they drafted him. The problem is you have to catch the ball. I found this article pretty interesting - Larry Fedora was Ebron's UNC coach, this was before the 2013 season.
"Fedora compared Ebron's talent to Detroit Lions tight end Brandon Pettigrew, whom Fedora coached as offensive coordinator at Oklahoma State before his first head coaching stop at Southern Mississippi."
Interesting that he used Pettigrew for his NFL comparison.
So Catch rate is my biggest concern about Ebron. Here is a good article for people who would like a refresher on some of his stats compared to other players in recent years.
ARTICLE LINK