I think Doucoure has been one of the best players in the Premier League this year - but that is clear handball. He's got his hand up by his head - it's as clear a handball as you're ever likely to see - it's a disgrace, an absolute disgrace. Southampton desperately needed this win, and the officials have robbed them, it's really poor.
- Kick-off- 15:00 GMT
- Watford have lost six of their last seven Premier League games
- Southampton haven't won any of their last nine Premier Leagues
- Mauricio Pellegrino's side start the day above the relegation zone on goal difference
Former Republic of Ireland winger on Final ScoreCopyright: Reuters
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There was a hint of handball there as Abdoulaye Doucoure met Troy Deeney's headed pass across the area. Doucoure stooped down to head the ball beyond Southampton goalkeeper Alex McCarthy from around five yards out.Copyright: Reuters
Southampton forward Dusan Tadic is booked for a disagreement over a throw in. It was a Watford throw-in but he tried to claim it. Roger East was not impressed.
Watford have made all three changes and Stefano Okaka is back on and getting on with things.
Stefano Okaka is signalling he's hurt after clashing with Saints goalkeeper Alex McCarthy when trying to reach a cross from Daryl Janmaat. It looks like the striker took a knock on the head.
Stefano Okaka has his shirt pulled in the penalty area by Oriol Romeu from the resulting free-kick, which is put in by Heurelho Gomes. Roger East is unmoved again. I think Marco Silva may have something to say after the match.
Southampton midfielder Oriel Romeu is booked for a foul on Stefano Okaka. The Watford striker has looked lively since coming on.Copyright: Reuters
Southampton defender Wesley Hoedt may count himself a lucky boy this afternoon. He looks to have got away with a pull on Stefano Okaka's shirt in the area. In fairness the attacker was backing in to him but the incident comes after his tangle with Andre Gray earlier.
Marco Silva makes his final change. Stefano Okaka comes on as Watford fans pay tribute to Graham Taylor in the 72nd minute. Andre Gray is the man to make way for Okaka.Copyright: Reuters
Daryl Janmaat whips a cross in from the right and Watford forward Andre Gray flicks the ball wide with his head. He never had it under control. The quality of Janmaat's delivery has been a good option for Watford this afternoon.
Southampton, who looked so comfortable on the ball in the first half, are now looking ragged. Their composure has gone.Copyright: Reuters
Andre Gray plays a teasing ball across the area which Southampton defender Jack Stephens puts out for a corner. Molla Wague heads wide from the resulting set piece. Watford are turning up the pressure.
These are dangerous times for Southampton. Watford have their tails up. Mauricio Pellegrino calls for Mario Lemina. Steve Davis makes way.
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It's been coming. Watford have been probing and probing for the past five minutes. The ball falls to Daryl Janmaat and he crashes a shot off the crossbar. Andre Gray follows it in and heads it down and into the back of the net.Copyright: Reuters
Watford are staring to build some pressure now. Roberto Pereyra curls a shot just wide from the edge of the area.
Watford striker Andre Gray appeals after he is held in the box by Wesley Hoedt. The Dutch centre-half even has a tug of his shirt. Gray tried to shrug him off but was unable to outmuscle him. Referee Roger East is unmoved.
Watford defender Daryl Janmaat floats a cross in and Richarlison and Andre Gray get in each others way. Richarlison gets his head to it but he misses the target.Copyright: PA
Watford get the second half under way at Vicarage Road.
Striker Troy Deeney has replaced holding midfielder Ben Watson for the hosts.
As it stands - given how the games are going elsewhere - this win would move Southampton up to 13th place in the Premier League.
James Ward-Prowse had not scored a Premier League goal all season before today. Will he complete his hat-trick?Copyright: Reuters