Ladies & Gentlemen Of The Jury - PENALTY (Images)
Last time I looked at the rules (note to any interested women, I don't really look at the rules in my spare time, honest!) a tackle from behind, whether you take the ball or not, is not a legal action in the game.
I would like to submit to the jury evidence part one:
A tackle from behind.
And a second for your perusal with David Platt apparently agreeing it was a foul:
In summary ladies and gentlemen of the jury
(Images bought under license)