Keane watched the pair in reserve-team action last week and joked: "It was tempting to throw a blanket over the two of them and try to smuggle them back with us on the bus!
"No, but seriously, as I say, you are always looking for players but it is a lot more complicated than that. You've got to look at how much they cost, whether they want to come, all that sort of thing.
"And so because of that you've got to cast your net as wide as possible, take in as many games and look to identify the right target. We've got a good scouting network, though, and they are looking all the time."