David Livermore and Alan Dunne are serving three and four-match bans respectively while Jody Morris [knee], Dennis Wise [thigh], Graham Stack [knee], Barry Hayles [hamstring] and Kevin Muscat [Achilles] are also sidelined.
The central midfielder's new two-year deal follows a similar agreement with full-back Lloyd Doyley. Blizzard, 20, is expected to keep his place for tomorrow's trip to Wolves after a fine display in the 2-1 midweek win at Ipswich.
Goalkeeper Richard Lee [cheek] returns to the squad following the expiry of Paul Jones' loan spell from Wolves.
The Rangers player believes Ipswich will be keen to make up for the shock home defeat they suffered at the hands of Watford on Tuesday night.
"The fans will expect them to win and that will make it tougher for us," said Santos, who joined QPR from Ipswich last year.
"You never know, they could be a bit shaky, but with the experience that they have there, they can handle the pressure."
