Joe 'Pesu' Borg, born on May 19, 1949 in Valletta. He made his debut with the Citizens on November 12, 1966. He wore the white shirt for nine season, played in 86 matches and scored five goals. Through his career with Valletta Joe won the championship in (1973-74), the FA Trophy (1974-75), Sons of Malta Cup (1974-75), Independance Cup (1968-69).

He took part in four European Competitions, twice in Champions Cup (1973-74) against HJK Helsinki and twice in UEFA Cup (1972-73) against Italian side Inter. Joe 'Pesu' Borg wore the National shirt three times, made his debut in the European Nations Cup on December 22, 1974 against West Germany.

At the age of 14, Joe joined the Valletta Vanguards. At that time the Valletta Vanguards possed a number of players which formed part of the Valletta FC squad that won the 1973-74 championship, the team cocnsited of Charles Agius, Tony Giglio, Vincet 'Maxi' Magro, Charles Galea, Joe Cassar, Tony Ciantar, Carlo Seychell, Emanuel Galea and others. These Vangaurds players were introduced with the Valletta FC minors team under the guidance of Eddie Xuereb.

The first two players from this group who suceeded in joing the Citizens first team were Vince 'Maxi' Magro and Tony Giglio. Joe Borg made his debut with the first team in November 1966 in a league match against Hibernians.

Joe retired from football at the age of 27, during his career he only played with the team of his hometown Valletta FC.