The former Tottenham forward made his first appearance in a 3-2 win over West Ham - winning a penalty to boot.
Tottenham Hotspur faced Sunderland at the Stadium of Light on the opening day of the 2007/08 season.
Birmingham didn't sign John Terry because of wages, but surely LA Galaxy's Ashley Cole, Middlesbrough's Stewart Downing and Robbie Keane pose same problem?
Birmingham City are expected to sign several players to improve on last season's 19th place, but is Redknapp right to look at so many players that are entering their latter playing years?
Birmingham City have been linked with Robbie Keane in the summer transfer window.
Should Aston Villa rival Birmingham City for Robbie Keane?
The Birmingham City manager reportedly spoke with the forward at the match between Tottenham Hotspur and Manchester United at White Hart Lane last weekend.
Should Harry Redknapp try to persuade his former Tottenham captain to sign for Birmingham City?
The former Celtic boss has taken over at Championship side Blackburn Rovers.
No striker signed permanently, but could Leeds United still make a move?