Redknapp praised the old guard and hinted that they may offer his best chance of bridging the seven-point gap that exists between the bottom club and safety.
He commented: "You need those types of players when you are in trouble. You need the lads who are going to roll up their sleeves for you.
"I have to keep believing. If I don't believe we can do it, no one will. People know I like a challenge. You can only do your best in life, can't you?"