^Craig, Frank (5 March 2020). "[Luke] Gavigan wary of Tyrone threat". Donegal News. p. 77. Luke Gavigan... the Tir Chonaill skipper... comes from formidable footballing stock. His dad Luke was a member of the Donegal senior football squad that won the 1992 All-Ireland title. His uncle Martin... also vice-captained the victorious 1990 Ireland Compromise Rules side that toured Australia.
^O'Riordan, Ian (9 September 2009). "Hackett is surprise choice for Westmeath". The Irish Times. After that Hackett took charge of Offaly from 1990-1992, and was also appointed trainer of the Irish Team for the International Rules series with Australia in 1990.