"Their clubs were happy for them to come but the players just didn't want to come here.
"To be honest, I did anticipate this might be a problem.
"It is an ongoing search and I will work hard again, watching games this week and see if we can get someone in for Saturday.
"But I am still hamstrung by our position in the league and agents telling their clients that they can do better than coming here.
"We are a bit thin on the ground right now. We began the season two strikers short through whatever circumstances and, to be honest, we have done fantastically well to score the number of goals we have done.
"Thankfully Adrian Littlejohn is looking good in training and looked quite sharp when he came on last Friday. So he is coming into contention.
"But, with Chris Bearsdsley out long-term, Gavin Peers injured and Adam Birchall away on international duty, we didn't have many options outside the 16 who were involved on Friday."
Shirtliff has also denied reports that free agent Clyde Wijnhard was heading for Field Mill.
He said: "I know Carlton Palmer enquired about him but he didn't want to come here. I have no reason to think that view has changed."
Full article in this weeks Chad newspaper.