Chelsea defender David Luiz is being harshly criticised, according to his Brazil team-mate Marquinhos.
Luiz moved back to Stamford Bridge on transfer deadline day from Paris Saint-Germain for £32m - just two years after he was flogged to the French champions for £50m.
The Brazilian's return has been met by a mixed reaction, with some pundits and supporters questioning his concentration during the latter stages of games.
Marquinhos however, who played with Luiz at PSG and for the national team, believes such criticism is exaggerated and unfair.
"David Luiz as a person and as player is exemplary," Marquinhos told ESPN Brasil.