Considered as one of Brazil's greatest defenders ever,[5][6] he spent most of his professional career at Italian clubAS Roma, where he later also served ascaptain, winning theSerie A title with the club in2001. Nicknamed "Pluto" by Roma fans,[7] he is one of the members to have been inducted into the club'sHall of Fame.[8]
Aldair subsequently moved toAS Roma in 1990 and played with this club during 13 seasons, until 2003. He played a total of 436 matches with theGiallorossi, scoring 20 goals in total.[9] During this period he won theSerie A in 2001, oneSupercoppa Italiana, and oneCoppa Italia in1991 (also reaching theUEFA Cup final in the same year). Aldair was recognised in 2000 as one of the best players in the world by being selected in the FIFA XI; still, he remained loyal to Roma in spite of the club not having won any major international honours during his time there.
After Roma, Aldair then briefly joinedGenoa. In July 2005, Aldair announced plans of playing forRio Branco, and played two games for the club in the state championship, helping his team to win the title.
Former teammate and good friendMassimo Agostini convinced him to play inSan Marino forSS Murata in order to boost theirChampions League campaign. After Murata's dreadful 7–1 aggregate defeat to CypriotsAPOEL in the first round of qualifying for the2006–07 UEFA Cup, Agostini decided to call upon Aldair to join him on the Italian Peninsula. Aldair took part in the Champions League qualifying stage in July 2007.
Aldair was part of theBrazilian squad that took part at the1990 FIFA World Cup. In 1994, he reached the pinnacle of his career when he played for the Brazilian squad that won the1994 FIFA World Cup. Originally not included in the squad announced on 10 May 1994, he was called up as replacement whenCarlos Mozer had to withdraw due to illness. He also played for Brazil in the1998 World Cup, as Brazil went on to reach thefinal once again, only to be defeated byFrance. He took part in three Copa América's with Brazil, winning the title in1989 and1997, whilst earning a runners-up medal in1995. Aldair won a bronze medal at the1996 Summer Olympics, and was part of the Brazilian team that won the1997 FIFA Confederations Cup. In addition to these tournaments, Aldair also took part in two friendly tournaments with Brazil, winning the 1995Umbro Cup, and finishing in second place in the1997 Tournoi de France. In total, he appeared 81 times for Brazil between 1989 and 2000, scoring three goals.[12]
An elegant and tactically versatiledefender, Aldair was capable of playing both as asweeper andcentre back, due to his vision, technical ability and passing range. His confidence on the ball and, in particular, his adeptness atlong balls enabled him to advance into midfield and create chances for teammates. Although he was not particularly quick, he was a strong defender who excelled in the air. He also excelled at anticipating opponents with well-timed challenges due to his ability to read the game. In addition to his defensive and technical skills, Aldair was also known for his leadership and sportsmanship throughout his career.[13][14][15]