After easing into a 2-0 lead on the hour through goals from Shkodran Mustafi on eight minutes and Pierre-Emerick Aubameyang, Watford were awarded a penalty 60 seconds later after Roberto Pereyra draws a foul from Maitland-Niles in the box.
The Gunners remain sixth on the table, 12 points behind fourth-placed Liverpool, who were displaced from third by Tottenham following their 4-1 victory over Bournemouth on Sunday, in a game that saw Harry Kane pick up an ankle injury. "You can not be a football player without pride". "I believe that I like him as a player and when you get negative statements you have to deal with it".
But he still appeared in good spirits after the game when he stopped to take pictures with Arsenal fans. The North Londoners looked nearly unrecognisable from their game against Brighton last week, but they'll have a long way to go before they're back in their fans' good books, and their inconsistency will no doubt be the cause of much frustration.
"I don't know how much negativity is out there, I focus on my job, I have shown in 22 years that I can do that and that I respect everybody's opinion but I focus on my job with total commitment".
"Highlight was what Petr Cech has done with 200 clean sheets and his penalty save". "It's quite fortunate it was against Deeney on top of that".
"He went, in one week, from hell to heaven". "Fantastic motivation, fantastic desire and remarkable intelligence".
Watford manager Javi Gracia lamented his team's profligacy in front of goal, and said that the game had been too open for his liking.
"He had the chance to score the penalty, he didn't do it". "I think a coin did hit David Sullivan, his glasses", he told BBC 5 Live.
"I'll have to watch what I say".
Speaking to Sky Sports' Alex Scott, Smith said after the game: "It's the situation at the club - there's a lot of unhappiness, a lot of lethargy, I'd say".