[precisionshootist]

The problem is he didn’t hit the ground after the catch. After the catch he took two complete steps so the catch was over and he was then running. What if he ran ten yards after the catch then it pops out the same way, would that still be an incomplete pass? Of course not. Taking two steps ended the catch part of the play, he was then running after the catch. First and goal.

[South40]

What if he ran ten yards after the catch then it pops out the same way

But he didn't run ten yards. He fell immediately after taking the ball into his hands; it was immediate. Watch the loop running in post #39. It's pretty clear to me...and the refs seemed to agree, which is why they overturned the call on the field.

Good call.

[chris37]

He only took one complete step. I thought he was runnign too, but he wasn’t. It was difficult to see this at normal speed.

[South40]

WHAT IS A CATCH?
Observers too often are fooled by a receiver having two feet down or what seems like possession for an eternity. If the receiver falls after the catch, he must hold on to the ball after hitting the ground or it is an incompletion.

Bryant got two feet down and he did so in a very quick manner. He then lost control after hitting the ground. According to Mike Pereira, the former NFL VP of officiating, that makes it an incomplete pass.

Mike Pereira, the former NFL VP of officiating