Adolfo Alfredo Pedernera (15 November 1918 – 12 May 1995), born in Avellaneda, Argentina, was a football player and coach.
Nicknamed "El Maestro" ("The Teacher" or "The Master"), He was widely considered to be one of the greatest world football players in the 1940s, as well as one of the Argentine players of all-time.
Pedernera was the natural conductor of both famous River Plate team known as La Máquina (spanish for "The Machine"), with whom he won several Argentine and South American titles, and Millonarios team called Ballet Azul (Blue Ballet), with which won the Small Club World Cup in 1953 among many others colombian titles.
Playing for the Argentine Team he won three times the Copa América in 1941, 1945 and 1946, being awarded as the Best Player of the latter.
He also was elected the 12th best South american footballer of the 20th century in a poll by the IFFHS in 2000, and his name appears in the list of the 100 greatest all-time footballers selected from the magazine FourFourTwo in 2017, in which he holds the 58th place.Adolfo Pedernera usually played as an inside forward and was renowned for his technique and ability to create chances for other players, whilst also being a prominent goalscorer.