“At the minute I need to have that discussion with the manager,” he said.
“He’s obviously very keen for me to stay on board, which I’d love to do.
“He needs to have that discussion with the powers that be to see what is available from that side of things.
I hope that happens so fingers crossed.”
Piper worked with Caldwell at Wigan, where he was a fitness coach for eight and a half years.
He’s enjoying being alongside the Scot once again.
“Our relationship is brilliant in that you can have those tough discussions, we might not agree on something and we can have that conversation and there’s no harm,” he said.