What happened: Christoph Baumgartner was injured during the warm-up before Austria's friendly against Tunisia on Monday evening. The Austrian national team has officially confirmed that the Bundesliga midfielder will not take part in the World Cup.

Why it matters: Losing Baumgartner is a significant blow to Austria's attacking-midfield depth heading into the tournament. As an established Bundesliga performer, he was in line to be one of the side's more important creative options.

What to watch: Watch for an official update on the severity of the injury and whether Austria call up a replacement before the World Cup squad deadline.