"It's been a long road," Pallister told the Sunday Sun.
"Now he's got a chance at a club that can be a little bit more expansive in the transfer market.
"Sunderland have got a few quid to spend and, by the looks of things, he has spent wisely in the summer to reinforce his squad. I'm sure he will do a bit more work in January too, because he wants to put his stamp on this team.
"Rather than just looking to consolidate and sell the odd player, he can look to go forward and build a team that can stay together."