Watched the replay a few times this morning on ESPN who did a nice job showing the sliver of green in between Davis' left foot and the sideline. But in watching those replays it looked to me as though he bobbled the ball slightly after getting two feet in, reestablishing full possession only AFTER he lifted his right foot.
If any of you care to review the play and comment, I'd like to read your takes. I think it could have been ruled incomplete based on the late bobble.