Preston are yet to concede a goal in the Championship this season after Emil Riis’ 73rd-minute winner secured a 1-0 victory at Coventry.

The Danish striker finished as Preston’s top scorer last season and came off the bench to grab his first of the campaign, maintaining Ryan Lowe’s side’s unbeaten record in the Sky Bet Championship and making it seven clean sheets from seven.

It was an unhappy ending to Coventry’s first home game of the season after they were unable to play at the CBS Arena following the Commonwealth Games due to the state of the pitch.

Lowe tried to coax some life i...