Indeed, they have won the last four on the trot with Murphy having started three of them, and scored as many goals, to cement his place in the team.
Keane said: "Daryl, particularly over the last four or five weeks, has been outstanding.
"I had a good chat with him. There was speculation he might be going here, there and everywhere. I had a chat and told him basically we are delighted with him and he is going nowhere.
"Players need that sometimes. Every player just sometimes needs a five-minute chat to say, 'Listen, we are delighted with you'. He's a good pro, he trains well, he looks like a footballer, he is a good athlete and he is doing well for us."
The manager added: "He's a good player. Every club we have played, nearly every manager I have spoken to has spoken very highly about him after the game, and that's always a good sign.
"He's a good player and a good lad, a very good lad."