"Let's look at the video, and we'll explain why," Blandino went on, signature Xbox controller in hand. "Here's Welker in the slot. And the first potential foul would be for offensive pass interference. The receiver can't block downfield before the ball is touched. So the timing is important. You see Welker run the route, and he does appear to angle back towards Talib and come into his path, creating that contact.