Grella missed out on the World Cup qualifying win in Uzbekistan after picking up a knock in training.

The midfielder has endured a frustrating start to life in the English Premier League and has had to watch from the sidelines as Paul Ince's men have put together an impressive run of form.

But Grella is expected to resume full training with the club in the next 24 hours and put himself firmly in contention for a spot against champions United.

Rovers have a good record against Sir Alex Ferguson's side at Ewood Park having lost just one of eight previous home encounters.