Baldy’s Breakdowns: Saints in Week 1 (Carr, Mathieu and Fuaga)

You should really watch the video. There you can see the defender turned and absolutely held.

Didn't get called and I've seen worse not called, but it's an obvious hold.
True, Penning held him. But it was Ruiz attempt at double-team which spun the defender resulting in Penning having to hold him.