"It was a terrific goal and he worked hard but he needs more games and needs to be fitter.
"Robbie has had his name etched on one of the seats but the World Cup is going to be hot and humid and players need to be playing first-team football."
Meahwhile Keane's team-mate Seth Johnson has revealed how fitness levels at Derby County and those at his new club, do not match up.
"I didn't realise how unfit I was until I had been training with Leeds in my first couple of weeks there," he said.