He won three aerial duels and was an integral figure in City's build-up from the back.
He faces a Guardiola who is now fully into the swing of things at Manchester City and had an unparalleled domestic campaign a year ago where City racked up 100 points. Also, they are building one team with security, with good players, with great stability, playing like they want, and we are starting.
Emery was not afraid to make bold changes during the game, either.
City were playing with the same vibrancy we showed in last weekend's win over Chelsea and were nearly 2-0 up when Aguero brought down just outside box by Sokratis.
Didn't have much to do in the first half except comfortably deal with a Hector Bellerin's strike, which was straight at the keeper.
Guardiola insists his players are still "starving" for success and there is little doubt City's hunger for silverware remains strong.
However, Emery said Welbeck has shown he can play all over the pitch: "Danny Welbeck is one of the players who has a multi-position possibility".
Raheem Sterling (Manchester City): Started six of England's seven matches in the World Cup without getting on the score-sheet, but within 14 minutes of the new Premier League season he had already registered for his club to underline just how Pep Guardiola gets the best out of him.
"We spoke about this before the game. they know they can do it".
If it's a 4-3-3 Ozil will play from the right, although won't relish the prospect of tracking back with Benjamin Mendy.
The contest was the Gunners' first Premier League game without Arsene Wenger for 22 seasons and Emery's first competitive one since taking over. Much is expected of Wolves after they took the Championship by storm last season, winning the title in style, and they began with a point in a 2-2 home draw with Everton. "And today is the first step in that".
While others bemoaned their lack of signings and questioned their club hierarchy's pre-season preparations, most notably Guardiola's nemesis in the red half of Manchester Jose Mourinho, the Catalan had nothing but praise for his squad and his employers, saying: "I can not complain for one minute".
"The team, for 90 minutes, they ran, they tried, they pushed, but we need to improve all collective and individual aspects". Looked threatening throughout the game and warranted Guardiola's selection, even though he only had a full week of pre-season training. "If we don't we are not going to win".
"We wanted to build with the ball and break their lines". This process is normal. Emery has only had two months.