Jeff, the play at home plate after Perez retrieved the ball was so close that I doubt the call would have been overturned whichever way the call on the field would have gone.
The Tigers TV announcers commented at length about Naylor's sliding glove coming off in Dingler's direction and whether that constituted obstruction. Later they clarified that the criteria for an obstruction class requires clear intent. While the trajectory of the glove looked a bit suspicious, it was hardly clear that the glove was aimed at Dingler. And it did not appear that the glove actually interfered with the play.
Mike Coveyou