Graham Douglas McKenzie (born 24 June 1941) - commonly called Garth McKenzie after the comic strip hero - is an Australian cricketer who played for Western Australia (1960-74), Leicestershire (1969-75), Transvaal (1979-80) and Australia (1961-71) and was a Wisden Cricketer of the Year in 1965. He succeeded Alan Davidson as Australia's premier fast bowler and was in turn succeeded by Dennis Lillee, playing with both at either end of his career. McKenzie was particularly noted for his muscular physique (hence his nickname) and ability to take wickets on good batting tracks. His father Eric McKenzie and uncle Douglas McKenzie played cricket for Western Australia and Garth was chosen for the Ashes tour of England in 1961 aged only 19.

McKenzie grew up in a sporting family. His father, Eric McKenzie, was an opening batsman who played once for Western Australia, against the touring South African cricket team in 1931-32. His uncle, Douglas McKenzie, was a batsman who represented Western Australia on several occasions, scoring 88 in his last game against Lindsay Hassett's Services team in 1945-46. Douglas went on to become President of the Western Australian Cricket Association. Both Douglas and Eric also represented Western Australia in field hockey.  In his youth, McKenzie was an all rounder, batting right-handed and bowling off spin. Aged twelve, he gained selection for Western Australia in the 1953-54 under-14 interstate competition held at Adelaide, but the team withdrew after a polio epidemic in Western Australia. The next season, he captained the state when the competition was held in Perth, leading his team to the championship.  McKenzie attended John Curtin High School, where he performed well with both bat and ball in the school's first XI. At sixteen he was made his first grade debut for Claremont-Cottesloe as a batsman, but after unproductive performances was dropped to the second XI. The following year in 1958-59, he continued in second grade and took up fast bowling, taking 50 wickets at an average of 14.50 after his team had a pace bowling shortage. He was recalled to the First XI in 1959-60. He finished the season with 515 runs at an average of 39.46 and 49 wickets at an average of 11.21. His efforts were rewarded in when the state selectors handed him a debut for the penultimate match of the Sheffield Shield season against Victoria in Melbourne. He went wicketless and scored 22 and 41. He took his first wickets in the final match against South Australia at Perth with 3/69. At season's end, his captain Ken Meuleman advised McKenzie to concentrate on his fast bowling.

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