He played 51 games in his first season at Vale Park. At the end of the 2007–08 season, where Whitaker again played 40+ games, he was offered a new contract along with three other Port Vale players. But in May he rejected the contract and was told he could look for another club.
He participated in 51 matches during his inaugural season at Vale Park. At the conclusion of the 2007–08 campaign, where Whitaker once more played over 40 games, he was presented with a new contract alongside three other Port Vale players. However, in May, he declined the contract and was informed that he could seek an alternative club.