The Italy worldwide’s 79th minute strike earned Villa a 1-1 draw which prolonged their cushion to 3 factors.
Zaniolo, who has endured a tough marketing campaign since becoming a member of on mortgage from Galatasaray final August, put his finger to his lips as he celebrated in entrance of the travelling supporters.
The 24-year-old has struggled for consistency and was additionally questioned by Italian police investigating a betting scandal in his homeland.
However Emery is hopeful he can now have a robust end to the season as Villa seek out a spot within the Champions League.
“Each participant was there once we wanted them. Zaniolo was one among them,” stated Emery. “His affect was unbelievable.
“I’m very glad for him and hopefully we are able to add him on this temper for the remainder of the season.”
Emery admitted his workforce have been below-par throughout a primary half during which they trailed to Michail Antonio’s opener.
However a tactical swap on the break, which included the introduction of Moussa Diaby, sparked an enchancment with the latter organising the leveller for Zaniolo.
Villa then escaped on the loss of life when West Ham noticed a aim dominated out for handball following a VAR examine which lasted greater than 5 minutes.
Hammers boss David Moyes later refused to debate the incident.
“You possibly can contact Howard Webb yourselves,” he stated, referring to the pinnacle of Premier League refereeing physique PGMOL.
Emery described VAR as “truthful for each groups”.
“Roughly, I settle for the outcome,” he continued. “The primary half we didn’t management the sport. We have been making an attempt to impose our place and get into our attacking third.
“However once we have been getting there we have been probably not clear entering into the field. Even with the excessive press we didn’t get good choices with some gamers to progress and dominate.
“Once they scored the aim the sport modified and I made a decision to vary the plan. The second half we did higher.
“We didn’t create clear probabilities as a result of they defended nicely. However we have been dominating and taking part in nicely. We scored after which tried to win the match. They have been refused two objectives however VAR is truthful for each groups.”
