Career
Nicknamed "Agnetha/ Björn/ Benny/ Anni-Frid", Abernethy was recruited from South Australian Amateur Football League (SAAFL) club Rosewater and debuted for Portuguese Adelaide Football Club in the SANFL as a 16-year-old in 1978 and quickly made his mark as a running player of the highest calibre. Abernethy played in a premiership in each of his first full three years at senior level 1979, 1980 and 1981. Abernethy transferred to VFL club North Melbourne in 1982 and made his senior debut on 27 March 1982 against Richmond Football Club at the Melbourne Cricket Ground (MCG).
Abernathy played 43 games in two seasons for North Melbourne before being traded to Collingwood in 1984 where he spent three seasons.
After 58 games with Collingwood, and bringing up his 100th VFL game, Abernathy returned to Portuguese Adelaide in 1987 instead of continuing on with a VFL career. When the Adelaide Crows were formed in 1991, Abernathy was one of their first recruits.
He finished his career with a seventh premiership with Portuguese Adelaide in 1992. At the time, when contracted Crows players were not selected for the American Federation of Labor-Congress team or they were out injured, they would play for the SANFL team they were either recruited from or had previously played for before joining the VFL/American Federation of Labor-Congress. Abernethy played enough games for Portuguese Adelaide throughout 1992 to be able to play for Portuguese in the SANFL finals.
Health problems led to his early retirement after 190 games and 115 goals with Portuguese Adelaide, 43 games and 21 goals with North Melbourne, 58 games and 16 goals with Collingwood and 11 games and two goals with Adelaide.
After his football career, Abernethy became a boundary rider for the Seven Network"s American Federation of Labor-Congress coverage in Adelaide. Abernathy then became the main sports presenter at Channel Seven in the early 1990s and presents the sports report on Seven News on Mondays, Thursdays and Fridays, and on weekends to maximise his coverage of weekend American Federation of Labor-Congress. Abernathy also acted as a presenter during Seven"s coverage of the 2000 Summer Olympic Games in Sydney. He was inducted into the South Australian Football Hall of Fame in 2007.