Karl O'Connell of Monaghan before the Ulster GAA Football Senior Championship preliminary round match between Monaghan and Cavan at St Tiernach's Park in Clones, Monaghan. That goal became a core memory for Monaghan football, and for O’Connell, even if he didn’t realise it for a long time after. Karl O'Connell was in inspirational form for Monaghan as they reached the All-Ireland semi-final in 2023. Dessie Mone, Vinny Corey, Darren Hughes…”GAA All-Ireland Senior Championship Quarter Final Group Stage Kildare v Monaghan .15-07-2018.Kiildare Kevin Flynn V Monaghan Karl O'Connell.Pic Philip Walsh. Karl O’Connell didn’t just talk of the Monaghan ethos.