Re: NFL 2018 - cheaters never win, except for the super bowls and stuff 
Yeah, he made the mistake of wanting to break up the play, but if he had hesitated and tackled after the catch (safe play) the game was over; just keep him in bounds. He wanted the highlight reel, and mis-judged.
Under the rules a score in OT(TD for new rules) ends the game.
Looking at the replay, if the DB hit Diggs when he wanted to, it would have been before the ball got there.
Yeah, he made the mistake of wanting to break up the play, but if he had hesitated and tackled after the catch (safe play) the game was over; just keep him in bounds. He wanted the highlight reel, and mis-judged.