MEDELLIN, Dec. 4 (Xinhua) -- Former Costa Rica midfielder and national team boss Alexandre Guimaraes has vowed to return Atletico Nacional to their winning ways after his unveiling as the Colombian club's head coach on Friday.
The 67-year-old replaces Juan Carlos Osorio, who was sacked last month after an extended run of poor results.
"Our ambitions are as high as they can possibly be," Guimaraes told a press conference. "We know the DNA of Atletico Nacional and we belong at the top. I've seen there is great commitment within the squad and they know they must work as hard as they possibly can if they want to be champions again."
Atletico's season ended on November 28 when they were eliminated by America de Cali in the quarterfinals of the Primera A, as Colombia's top flight is known.
The two-time Copa Libertadores champions won the most recent of their 16 Primera A titles in 2018.
Brazil-born Guimaraes has been out of work since June when he parted ways with America de Cali.
Having obtained Costa Rican citizenship in 1980, Guimaraes was capped 16 times for Costa Rica's national team and represented Los Ticos at the 1990 World Cup in Italy.
His managerial career has included two spells in charge of Costa Rica and a stint as head coach of Panama.