<Tr> <Th> 2006--2007 </Th> <Td_colspan="3"> Armenia </Td> </Tr> <Tr> <Td_colspan="4"> * Senior club appearances and goals counted for the domestic league only . </Td> </Tr> <P> John "Ian" Porterfield (11 February 1946--11 September 2007) was a Scottish professional footballer, and an experienced football coach who worked at both club and international level for almost 30 years . At the time of his death, he was the coach of the Armenian national team . </P> <P> As a player, Porterfield scored the only goal of the 1973 FA Cup Final as Sunderland memorably overcame the odds to beat Leeds United . As a manager, he has the dubious honour of being the very first manager to be sacked in the FA Premier League era, when he was fired by Chelsea . He replaced Alex Ferguson as manager of Aberdeen in 1986 . </P>

Who was the first premier league manager to be sacked