Ronaldo a doubt for Dortmund clash

Cristiano Ronaldo has emerged as an injury doubt for Real Madrid's Champions League semi-final second leg against Borussia Dortmund on Tuesday.



Ronaldo missed Real's 2-1 derby win over Atletico on Saturday with a thigh injury which he suffered in the 4-1 defeat in the first leg in Germany in midweek.



The Portugal forward did not train with his team-mates on Sunday either, working alone with Madrid's fitness team as he bids to get close enough to 100% to feature in the return contest.



Madrid's hopes of overcoming their three-goal deficit would clearly not be helped by the absence of a player who leads the Champions League scoring charts with 12 goals - Ronaldo has scored in their last six European matches.


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