Last Updated: Tue, 30 Jun 2009 18:39
September's Steel City derby at Bramall Lane has been brought forward to a 12.30pm kick-off at the request of police.
Kevin Blackwell's Blades entertain Sheffield Wednesday in the first league clash of the season between the rivals on Saturday, September 19.
The Owls became the first Sheffield side in 95 years last season to record a league derby double, following up a 1-0 win at Hillsborough in October with a 2-1 success at Bramall Lane in February.
The return at Hillsborough is scheduled for Saturday, April 17.