McGregor 's first punch landed on the chin of Aldo and that was all she wrote .
Conor McGregor KO 'd Jose Aldo Jr. in 13 seconds to win the UFC Featherweight Championship at UFC 194 .
McGregor 's first punch landed on the chin of Jose Aldo Jr. and that was all she wrote .
Conor McGregor KO 'd Jose Aldo Jr. in 13 seconds to win the UFC Featherweight Championship at UFC 194 .