No real evidence but Kerr joined 92-93 season so was in second season with Vale 93/94.
Kerr did join Leicester on loan 93-94 season so was clearly available
Paul Kerr was born in Portsmouth
I would guess it was Paul Kerr.
This ref did the Crawley game last season and overall wasn't bad .However, he missed a blatant penalty for us when Smith ( I think) got taken out in the box. He also did last match of season which tbh I don't remember!