"I am really pleased with the three lads coming in from Liverpool," Buckle said. "We will have them for two training sessions before Saturday's game and they all come straight into contention.
"They are boys that I know and I have an excellent relationship with Alex Inglethorpe (Liverpool Academy director) and I am sure it's going to go well.
"We have a good bunch of lads here and this is going to add to it. I am delighted to have them and they'll all bring different things.
"I am really excited to see three players from Liverpool here and there is no doubting their quality, but they have hunger too, which you need to be successful."