Barton was shunted out on-loan to Olympique Marseille at the start of the season.
"The only one who saw it coming was Joey Barton - he predicted they wouldn't win a game in the first three months," said Redknapp.
"But I wouldn't be sitting here now if QPR hadn't have had such a bad start. There have been a lot of changes since then. I think seven might play who didn't play in that game."