. Valeri was signed as a teenager by Italian giants
Inter Milan. He was loaned out to various clubs in Italy to gain further experience, including
Grosseto. He joined Grosseto permanently in June 2007. In January 2010 Valeri joined
Sassuolo. Representing Australia in the starting 11 for the 2010 World Cup is his greatest achievement to date. In May 2013, Valeri and his club Sassuolo finished as
Serie B champions, thus securing automatic promotion to
Serie A for the first time in their history. In January 2014, he returned to Serie B with relegation battling Ternana until 30 June in hopes of securing a World Cup place with the Socceroos In June 2014, Carl Valeri returned to his home country signing a three-year deal with
Melbourne Victory. Valeri was an integral part of Victory's 2015 Championship team, starting all 29 games that season. In September 2015 he was appointed captain of the team. Following an interrupted 2015–16 season, Valeri bounced back and became a regular starter for Victory in both the 2016–17 and 2017–18 seasons. In April 2019, Valeri announced that he would retire at the conclusion of the
2018–19 A-League season. In May 2019, it was announced that Valeri had signed on for
National Premier Leagues Victoria side
Dandenong City, along with former A-League players
Adrian Leijer and
Brendon Santalab. ==International career==