And Cahill said: "It was probably one of the best home debuts you will see, and you couldn't really ask much more of the lad.
"I wondered how he would take to it, coming straight in against a Tottenham team that like to play football and are technically good. But he was outstanding.
"Sometimes as a defender you just want to have a breather and give the midfielder the ball and let him do his work. And that is what Mark did for us on Saturday."