Cardiff City started their return to the Championship with a point as the Football League season opened with a draw at Blackburn Rovers. Substitute Tommy Smith salvaged a point for Brentford as the Bees marked their first appearance in the second tier since 1993 with a hard-earned draw against Charlton. Giles Coke scored the only goal as Sheffield Wednesday opened their Championship campaign with victory at 10-man Brighton. Jeff Hendrick scored the only goal with nine minutes remaining to give Derby victory over Rotherham.