Manchester United keeper Sam Johnstone has re-joined ChampionshipAston Villa on a season-long loan.

"I am delighted to be back," former England Under-20 international Johnstone told the official Villa website.

"I really enjoyed my last spell here - it's a great club with top players and passionate fans.

"I can't wait to get started now.

"I believe it can be a special season for all of us and I will be working hard each and every day to produce the kind of performances that will help us achieve what we're aiming for."