David Alaba was taken off with a suspected hamstring strain in an injury concern for Real Madrid just six days before their Champions League semi-final first leg against Manchester City.
The Austrian scored the opening goal in Madrid's 3-1 win at Osasuna on Wednesday night, a result which left Carlo Ancelotti's side needing just four more points to clinch the LaLiga title.
Yet after Marco Asensio's scored Madrid's second on the stroke of half-time, the Austrian centre back went down clutching his left hamstring.
The Austrian scored the opening goal in Madrid's 3-1 win at Osasuna on Wednesday night
He continued until half-time, but did not reappear for the second-half with Dani Carvajal replacing him in the back-line.