The Dutchman hailed the contributions of penalty-saving hero David De Gea as well as captain Wayne Rooney, who operated from a midfield berth.
On the other hand, under-pressure Martinez had to field questions on his future in a week that also saw a crushing Merseyside Derby defeat to Liverpool.
"It was a crazy game." - Michael Carrick on Saturday's FA Cup semi-final victory. #MUTV #mufc https://t.co/5hUDGtS5rR
— Manchester United (@ManUtd) April 24, 2016