"We're eternal optimists and I'm optimistic that the two kids will do very well for us," Robson told the Sunday Sun.
"They won't be fazed. They won't go out thinking: 'Geez, I shouldn't be here'. Shola is a proud player and LuaLua is dying for a chance.
"I'm unhappy about Alan and Craig and extremely disappointed about them not being available, but I have to forget them.
"There's nothing they can do for us and I've got to be positive about the two players coming in - and I think the two kids will do very, very well, They'll be alright.
"Carl Cort will probably figure as a substitute. He's capable of doing things as well."
Michael Chopra also looks set for a place on the bench after UEFA confirmed that the club has registered him for the Champions League.
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