Garnacho again impressed in victory against Wolves on the weekend.
And Gusto said of his teammate: "He has a lot of quality as a winger.
"He’s able to bring all our team into their box, which is part of the plan for us, asking the wingers to do these kinds of things, dribble of course, and create chances.
"That’s what he did; he helped us a lot with his crosses. So I’m very happy to be playing with him."
Gusto also said, "He’s a top guy, like every player here. He works a lot as well. So he’s a great guy, very competitive, and he helps us a lot, so I’m very happy to play with this type of player.
"Of course, when you have qualities and people are waiting for you to prove it, you have to do it. If you want to show your best, you have to show it on the pitch. That’s what everyone tries to do at Chelsea. To play for Chelsea there are a lot of things you have to show on the pitch and off the pitch.
"But it’s great to have him on the team, to have him keep improving to help us achieve our objectives at the end of the season, because there’s still a long way to go, so we have to keep trying."