Manchester City made history in their FA Cup semi-final with Arsenal by bringing on striker Kelechi Iheanacho as their fourth substitute, after an FA rule change for the 2016-17 season. The rule change now means that managers can make one more change in the event of extra-time if they have already made three substitutes in the previous 90 minutes. The new law was introduced at the quarter-final stage of this year's competition, but no team had benefitted from it until Manchester City...
Source: 90min.com