The pair have impressed at times this season.
Colwill said: "Axel is a great defender, great on the ball. I can always trust him if anything is going down his side I know he'll handle it.
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"Especially with him celebrating every tackle, it kind of lifts the whole team, lifts me and he has got me doing it a few times too! I do really enjoy playing next to him."
Disasi also told chelseafc.com: "Levi is so good you know. He's someone that I like to joke with in training or in the locker room, but when we are out on the pitch, we feel the same energy together.
"The game against Man City was the perfect picture of this. We enjoyed celebrating tackles and blocking shots. I hope that in the future this connection will be great."