"I guess so. In my opinion, I agree with you," the 44-year-old Brazilian told Stadium Astro.
"He's a good player. He's the type of player Arsenal were missing, I've spoken a couple of times about it.
"They have good players in the [central midfield] position but not to sit and give Arsenal the stability they have.
"Look at the game [against Spurs] it was great to see how he managed his game, how he managed that position, helping [team-mates].
"You know what is very important about this particular position? This is a very particular position because not every time you get the credit you deserve.
"That's okay, it's fine, because you have to understand that. But this guy, when he understands the position like Partey, look at his game. He made the others a lot better.
"He makes Xhaka look better in the game, he made the defenders look a lot better and comfortable when the ball was against them.