Brazilian-born Marcelo obtained Spanish citizenship in 2011. May 1, 2021 05:29 BST Real Madrid CF has been dealing with blow after blow when it comes to their available lineup for the crucial part of the season. The latest setback involves Marcelo, who may miss the second leg of the UEFA Champions League semi-final clash against Chelsea after being called up to do his polling station duties in the upcoming Madrid elections For those who are unfamiliar, Spanish citizens all face the possibility of being selected to "volunteer" at polling stations during elections. Brazilian-born Marcelo obtained Spanish citizenship in 2011, and as such has been eligible to be selected since then. On May 4, Madrid will be holding polls for local positions and Marcelo is one of those selected to help monitor one of the stations. Real Madrid will be facing Chelsea the next day, but the match is all the way in Stamford Bridge in London.