article: The 20-year-old, who played 12 games for Rovers last term, will be with the League Two club until January. Calder has yet to make his first-team debut for Villa, who were relegated to the Championship last term, but has been an unused substitute. He played 11 games for Dundee in the Scottish Premiership in 2015-16, prior to his first spell with Doncaster. Find all the latest football transfers on our dedicated page.
summary: Doncaster Rovers have re-signed Aston Villa midfielder Riccardo Calder on a half-season loan.