It's Rafael Benitez's longest winless run on home soil in the Premier League as a manager.Chris Hughton hasn't won any of his five games against sides managed in the Premier League by Alan Pardew (drawn two, lost three) with the latest setback his Brighton side losing 2-0 at West Brom.
Southampton's players protested but neither the referee nor his assistants saw an offense.
"I think we controlled [the game] well". But with this direct action we didn't have this fortune that you need to win this type of game.
"We are a little bit sad for many reasons".
A much-improved Watford started to show signs of life early in the second half and Richarlison had a shot blocked before finally they got their reward after 58 minutes.
Southampton were the dominant force in the first half but could not reach that level after the break, and Pellegrino was keen to focus on the positives. Video assistant referees were used for the first time in domestic English soccer this week but because they aren't deployed in the Premier League, Doucoure's goal was allowed to stand.
Buoyed after scoring only their eighth away league goal of the season, the visitors went in search of more with defender Wesley Hoedt trying his luck from 45 yards, forcing Gomes to touch the ball over.
Shane Long helped create Southampton's two goals, with the second coming via some great link-up play with Dusan Tadic, something which was a boost to the under-pressure Pellegrino. They are the seventh team in competition's history to concede that many goals. "But I think playing in this way, we will get points".