Prognosis negative, but not that negative. Cristiano Ronaldo’s knee injury, which he suffered in Portugal’s Euro 2016 final victory over France on Sunday, will see the star miss eight weeks and put his participation in the European Super Cup in doubt, per AS.It turns out Ronaldo suffered a left knee sprain and could return by mid-August. If he does miss two months, it would mean he would miss the start of the league season in Spain.Real Madrid, last year’s Champions League winner, will play Sevilla on Aug. 9 in the Super Cup.While the Super Cup is fun and there’s a trophy on the line before the real season begins, it isn’t of terribly high importance for Real Madrid.So even if he were close to fit, they probably wouldn’t risk him getting re-injured.