Zak has missed most of the pre season warm-up with a hamstring injury, while Craig Disley has been forced to take 14 days out after suffering concussion at Gainsborough Trinity.
You can catch Paul Hurst's pre match interview on Mariners PlayerHD. The Town boss is looking forward to playing in the Football League.
He said: We had that achievement last season of getting back in the league, which we are extremely proud of. Now, the season is almost upon us, it's what we've been waiting for.
Asked about the two more players that he needs to complete his squad, he said: "I'm still looking, that hasn't changed. I t's Thursday and nothing will happen before the weekend. But, we've got a squad where I am comfortable about putting a team out and filling a bench."