The Nigerian International came into the game as a 63rd minute substitute, and scored a screamer in the 68th minute from outside the 18-yard box, to earn Leicester City a 1-0 win over Walsall.
Kelechi Iheanacho has now scored 17 goals in 23 FA Cup appearances, scoring seven goals in his last seven games in the competition.
Following Leicester City 1-0 win over Walsall at the Bescot Stadium, the Foxes are through to the English FA Cup fifth round.
