Vienna, June 2 -- Austria are facing minor injury worries over captain David Alaba and forward Christoph Baumgartner following their 1-0 win against Tunisia on Monday, though coach Ralf Rangnick has played down any serious concern.

Alaba, who has had a history of fitness issues in recent years, was substituted at half-time at Vienna's Ernst Happel Stadium after experiencing tightness in his leg, according to Reuters.

Baumgartner, meanwhile, was ruled out of Austria's previous FIFA World Cup warm-up after reporting sharp groin pain during the pre-match warm-up.

Speaking after the match, Rangnick said Alaba's change was purely precautionary, noting that he felt a slight tightness at half-time and the team opted not to take any risks.

"W...