It was here that Deeney took things a step too far, however, grabbing hold of Allen's face before gouging at the Welsh midfielder's cheeks.
"It wasn't given as a red card because it happened on the reverse side of the referee Michael Oliver", said Poll.
Watford created plenty of chances in the second half, but failed to find an equaliser with Brazilian Richarlison guilty of missing promising openings.
It means Deeney could miss clashes against Everton, West Ham and Newcastle.
Deeney then grabs the Wales worldwide by the face and seemingly starts to dig his thumbs into his skin, as teammates quickly attempt to break up the clash.
"I thought it was a bit unnecessary, if truthful. More often than not those situations get re-visited by people in authorities and decisions made as a effect and maybe we should let that take its course".
The 27-year-old is quoted by The Mirror as saying: "It was handbags really and there was nothing to it". I like Troy, he's one of the good guys.
A number of flashpoints had come to the fore during the ill-tempered affair, though the injury-time confrontation between Deeney and Allen was certainly the worst of the bunch.
The Birmingham-born striker was sentenced to 10-months behind bars in September 2012 following a conviction for affray.
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